3.6.2 Sexual Reproduction in the Human

– Structures and Hormones

Follow-Me – iQuiz

Q. Where is testosterone secreted in the body of the human male?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. Give a brief account of the role of testosterone.

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. Name a gland that secretes seminal fluid.

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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for the Next Question

Q. Where does meiosis occur in the human male reproductive system?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. Where are sperm stored in the human male reproductive system?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. What is semen?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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for the Next Question

Q. State two secondary sexual characteristics of the human male.

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. What maintains the secondary sexual characteristics in the adult human male?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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Q. What is the function of the prostate gland?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is the function of the sperm duct?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. State two ways in which sperm differ from ova (eggs).

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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for the Next Question

Q. What term is used for the time in a young person’s life when physical changes that distinguish the sexes take place?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Where in the human female reproductive system does meiosis occur?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is the menstrual cycle?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Where are sperm produced?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. State a function of seminal fluid.

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Where in the human female reproductive system does zygote formation occur?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In which part of the human female reproductive system is the ovum (egg) formed?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Where in the human female reproductive system does implantation occur?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What happens in the womb during menstruation (days 1 – 5)?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Explain the term ovulation.

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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for the Next Question

Q. What is the function of the midpiece of the sperm?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is meant by the fertile period?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Where does fertilisation occur in the female body?

Allows sperm to swim; Provides nutrients;

Lubricant; Protects sperm

Development of secondary sexual characteristics;

Development of sex organs; Sperm production

Fallopian tube

Oviducts

Ovary

Monthly cycle in female; Lining of uterus

(endometrium) shed; Blood discharged

Loss of blood; Loss of endometrium

Release of egg from ovary

Size; Shape; Motile; Chromosomal difference

Sperm cells and seminal fluid

Testis

Puberty

Uterus

Time when fertilisation is possible; Egg is in oviduct

Testosterone

To carry sperm

Broken voice; Body hair; More muscle;

Enlargement of testes; Enlargement of penis

Respiration; Produce energy

Cowper’s gland; Seminal vesicles; Prostate gland

Seminal fluid production; Nutrition of sperm

Epididymis

CONGRATULATIONS

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