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1. What are the six levels of organization in the body?
ANSWER ✔✔ 1) Chemical
2) Cellular
3) Tissue
4) Organ structure
5) Organ system
6) Organism
2. The necessary life function that protects our internal environment from our external
environment is provided by what system?
ANSWER ✔✔ The integumentary system
3. The function of movement is provided by what system?
ANSWER ✔✔ The muscular system
4. The function of responsiveness is provided by what system?
ANSWER ✔✔ The nervous system
5. The function of digestion is provided by what system?
ANSWER ✔✔ The digestive system
6. What is anabolism?
ANSWER ✔✔ When more complex structures are synthesized from simpler ones.
, 7. What is catabolism?
ANSWER ✔✔ When more complex structures are broken down into simpler ones.
8. Excretion involves what systems?
ANSWER ✔✔ The respiratory system, the digestive system, and the urinary system.
9. The reproductive system is controlled by what other system?
ANSWER ✔✔ The endocrine system.
10. Which tissue covers the body surface and lines the cavities of the body?
ANSWER ✔✔ The epithelial tissue.
11. Name the three steps in cellular respiration.
ANSWER ✔✔ 1) Glycolysis
2) Citric acid cycle
3) Electron transport chain
12. What is the purpose of ATP?
ANSWER ✔✔ ATP provides cells with the energy necessary to carry out cellular activities and
functions.
13. Epithelial cells perform what types of functions?
ANSWER ✔✔ Secretion and absorption
14. What are the four basic tissue types?
ANSWER ✔✔ 1) Epithelial
2) Muscle
3) Connective
4) Nervous