(Some body systems are used more than once.) Then, circle the organ systems (in
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(Some body systems are used more than once.) Then, circle the organ systems (in the key) that are nr subdivisions of the ventral body cavity. 22 pts. Use the key below to indicate which body systems perform the following functions j. skeletal k. urinary d. integumentary g. nervous e. lymphatic/immune h. reproductive f. muscular Key: a. cardiovascular b. digestive c. endocrine i. respiratory 1. rids the body of nitrogen-containing wastes 2. is affected by removal of the thyroid gland 3. provides support and levers on which the muscular system acts 4. includes the heart 5. protects underlying organs from drying out and from mechanical damage 6. protects the body; destroys bacteria and tumor cells 7. breaks down ingested food into its building blocks 8. removes carbon dioxide from the blood 9. delivers oxygen and nutrients to the tissues 10. moves the limbs; facilitates facial expression 11. conserves body water or eliminates excesses and 12. facilitate conception and childbearing 13. controls the body by means of chemical molecules called hormones 14. is damaged when you cut your finger or get a severe sunburn 2. Using the key above, choose the organ system to which each of the following sets of organs or body structures belongs. 1. thymus, spleen, lymphatic vessels 2. bones, cartilages, tendons 3. pancreas, pituitary, adrenal glands 4. trachea, bronchi, lungs 5. epidermis, dermis, cutaneous sense organs 6. testis, ductus deferens, urethra 7. esophagus, large intestine, rectum 8. muscles of the thighExplanation / Answer
1. The urinary system clears the body for nitrogen-containing waste. Kidneys are responsible to excrete out nitrogenous wastes through urine.
2. The endocrine system is affected by the removal of the thyroid gland. The thyroid gland is responsible to release T3 and T4 endocrine thyroid hormones under the effect of TSH from the pitituart gland. If the thyroid gland is removed, all the endocrine system will be imbalanced.
3. The skeletal system provides support and levers on which muscular system acts. Muscles are connected to the bone and thereby bone provides a frame for the binding of muscles and helps in various muscular activities.
4. The cardiovascular system includes the heart. The commonly used term for the heart is "cardiac" and heart and related disorders are studied under the cardiovascular system.
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