Animal Biology Study Guide Answers

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Define:
a. tissue- a group of similar cells organized
into a functional unit
b. Joint- the point where 2 or more bones
meet
c. Ejaculation- the process by which sperm
leaves the male’s body
d. Uterus- the muscular structure in which
the fetus develops
1. Name 2 types of connective tissue.
» Blood, bone, adipose tissue
2. Which tissue is specialized to cover the inner and
outer surfaces of the internal organs?
» Epithelial tissue
3. Which type of tissue is made of tightly connected
cells that are arranged in flat sheets?
» Epithelial tissue
4. From smallest to largest, how is the body organized?
» Cell, tissue, organ, organ system, body
5. What makes up the axial skeleton?
» Backbone, rib cage, skull
6. Which type of bone provides the greatest strength
for support?
» Compact bone
7. What protects the heart and lungs?
» Rib cage
8. If you broke your pelvis, what would you not be able
to do?
» Walk
9. In a fetus, what are bones originally made of?
» Cartilage
10. What are the three types of muscles?
» Smooth, cardiac, skeletal
11. Where would you find smooth muscle?
» In internal organs
12. What are the functions of muscle tissue?
» Moves blood, bones, and food in the digestive tract
13. What are the functions of the skin?
» Defense against microbes, regulation of body
temperature, prevent dehydration
14. Where are energy reserves stored in your body?
» Fat cells
15. What is the thin outer layer of the skin called?
» The epidermis
16. Refer to the illustration above. Where is sperm
produced?
» Testes- 5
17. What are the fallopian tubes?
» Extend from the ovaries to each side of the uterus
18. Refer to the illustration above. What is the
structure labeled “3”?
» Uterus
19. Where do the eggs mature in females?
» Ovaries- 1
20. Refer to the illustration above. Where does
fertilization usually occur?
» Fallopian tubes- 2
21. What is the entrance to the uterus called?
» Cervix
22. What does the prefix ‘mus’ mean?
» Little mouse
23. The movement of ___ produces contraction of
muscles.
» Microfilaments
24. What attaches skeletal muscles to bones?
» Tendons
25. What is the specialized plasma membrane that
surrounds a skeletal muscle?
» sarcolemma
26. What is a contractile unit of a muscle fiber?
» Sarcomere
27. What causes muscle fatigue?
» Oxygen debt
28. What is the shaft of a bone called?
» Diaphysis
29. What are the classifications of bones?
» Long, short, flat, irregular (see FRAME)
30. What is the outside covering of the diaphysis
called?
» Periosteum
31. In adults, what color is the bone marrow?
» Yellow
32. Describe sutures.
» Jagged lines that attach the bones of the skull
33. Why is the mandible special?
» It’s the only bone attached by a freely movable joint
34. Which two bones compose the pectoral girdle?
» Clavicle and scapula
35. What is the most widespread and crippling disease
in the United States?
» Arthritis
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