Endocrine System

Endocrine System• The endocrine system is composed of

glands that release hormones into the bloodstream to control body functions such as growth, reproduction, and metabolism.

Where are the glands?Lets look at some glands

found in your body!

Pituitary

Pituitary

1. The pituitary gland produces a growth hormone which controls growth and homeostasis.

POINT to your pituitary gland!

Thyroid

Thyroid

2. The thyroid gland produces thyroxin to regulate metabolism.

POINT to your thyroid gland!

Parathyroid

Parathyroid

3. The parathyroid gland produces parathormone which controls calcium levels in the body.

POINT to your parathyroid

gland!

Pancreas

Pancreas

4. The pancreas produces insulin which controls sugar levels in the blood. Also produces digestive enzymes to help digest food.

POINT to your pancreas!

Adrenals

Adrenals Adrenals

5. The adrenal glands produce adrenaline in response to physical and emotional stress. Fight or Flight

POINT to your adrenal glands!

Ovaries (in Females)

Ovaries

6. The ovaries produce estrogen used in egg production and the development of female traits.

Do males have ovaries?

Testes (in males)

Testes

7. The testes produce testosterone used in sperm production and the development of male traits.

What is testosterone?

Reproductive System• Function:– The Reproductive System allows human to

continue as a species

Females• Each month the female releases an egg.• If the egg is not fertilized then it is removed

from the body.• If this egg becomes fertilized then it will

develop into a zygote.• An implanted zygote is referred to as a pregnancy.

Males• Males make sperm in an organ called the

testes.• Millions of sperm are made.• Sperm fertilizes the eggs in females.