Question

chapter 1 the human body: an orientation 3

1. rids the body of nitrogen - containing wastes
2. is affected by the removal of the thyroid gland
3. provides support and levers on which the muscular system can act
4. includes the heart
5. protects underlying organs from drying out and mechanical damage
6. protects the body; destroys bacteria and tumor cells
7. breaks down foodstuffs into small particles that can be absorbed
8. removes carbon dioxide from the blood
9. delivers oxygen and nutrients to the body tissues
10. moves the limbs; allows facial expression
11. conserves body water or eliminates excesses
12. provides for conception and childbearing
13. controls the body with chemicals called hormones
14. is damaged when you cut your finger or get a severe sunburn
15. using key choices from exercise 5, choose the organ system to which each of the following sets of organs belongs. enter the correct letter or term in the answer blanks.
16. blood vessels, heart
17. pancreas, pituitary, adrenal glands
18. kidneys, bladder, ureters
19. testis, vas deferens, urethra
20. esophagus, large intestine, rectum
21. breastbone, vertebral column, skull
22. brain, nerves, sensory receptors
23. figures 1 - 1 to 1 - 6, on pages 4 - 6, represent the various body organ systems. first identify and name each organ system by labeling the organ system under each illustration. then select a different color for each organ and use it to color the coding circles and corresponding structures in the illustrations.

Explanation:

1. The cardiovascular system includes blood vessels and the heart which pump and circulate blood.
2. The pancreas, pituitary, and adrenal glands are part of the endocrine system which controls body - functions with hormones.
3. Kidneys, bladder, and ureters are components of the urinary system which rids the body of nitrogen - containing wastes and conserves or eliminates water.
4. Testis, vas deferens, and urethra are part of the male reproductive system which provides for reproduction.
5. Esophagus, large intestine, and rectum are part of the digestive system which breaks down food for absorption.
6. Breastbone, vertebral column, and skull are part of the skeletal system which provides support and levers for muscles.
7. Brain, nerves, and sensory receptors are part of the nervous system which coordinates body activities.

Answer:

1. Cardiovascular system
2. Endocrine system
3. Urinary system
4. Male reproductive system
5. Digestive system
6. Skeletal system
7. Nervous system