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The Human Body Systems
The Human Body Systems The human body is the entire structure of a human organism.
It consists of a head, neck, torso, two arms and two legs. The average height of an adult human is about 5 to 6 feet tall.
By the time the human reaches adulthood, the body consists of close to 100 trillion cells, the basic unit of life. These cells are organized biologically to eventually form the whole body.
The human body is made to stand erect, walk on two feet, use the arms to carry and lift, and has opposable thumbs (able to grasp).
The Human Body Systems Although viewed as
whole, the human body is actually made up of ten different systems.
Each of these systems plays a vital part in the health and well being of the entire body.
1. Integumentary System2. Skeletal System3. Muscular System4. Digestive System5. Circulatory System6. Respiratory System7. Nervous System8. Excretory System9. Endocrine System10. Reproductive System
Skin, hair, nails Protect the internal organs
Axial, appendicular skeleton
Protect the internal organs, movement
Cardiac, smooth, skeletal muscles
Movement
Gastrointestinal tract, accessory organs
Break down food into particles absorbable by
the cells
Heart, blood cells, blood vessels, fluid
Pass nutrients, gases, hormones, and blood cells
and others to and from cells
Conducting zone, respiratory zone
Allow gas exchange to take place in order to remove
CO2 from the blood
Central nervous system, peripheral
nervous system
Receive information, process the information,
respond to the information
Kidneys, liver, sweat glands, lungs, large
intestines
Expel metabolic wastes from the body, maintain
internal balance
Endocrine glands, hormones
Control and regulation of body processes
Internal and external structures
Production of human sex cells, release of sex
hormones
epidermis
sebaceous gland
dermis
sweat gland
hair
subcutaneous tissue
skull
claviclesternum
spinal columnribs
radiusilium
femur
tibiafibula
mouth
esophagus
liver
large intestine
stomach
pancreas
small intestine
rectum
pulmonary artery
right atrium
right ventricle
aorta
left atrium
left ventricle
bronchus tracheabronchioles
alveoli
cerebrum
thalamus
brain stemcerebellum
kidneys
ureters
bladderurethra
pituitary
thyroid
parathyroids
adrenal
pancreas
ovaries
pineal gland
hypothalamus
parathyroids
adrenal
testes
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