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ITY
QiN
1. Which of the following can muscles do to the bones?
A. push
C. relax
B. pull
D. shorten
2. Muscles help us to do work. In a pair of muscles, when
the other
A. changes color
C. relaxes
B. gets tired
D. shortens
3. When you extend your arm, what happens to your biceps?
A relax
C. shorten
B. contract
D. tires out
4. Which of the following is NOT a fanction of the integumentary
system?
A excretion
C. protection
B. locomotion
D. sensation
5. What is the other name for sweat glands?
A. gastric glands
C. sebaceous glands
B. salivary glands
D. sudoriferous glands
6. Which is the outermost layer of the skin?
A dermis
C. hypodermis
B. epidermis
D. subcutaneous
7. Where does digestion of food start?
A esophagus
C. small intestine
B. mouth
D. stomach
Which of the following lubricates the food as it is broken into pieces in
the mouth?
A. enzyme
C. saliva
B. gastric juice
D. villi
9. Which is the longest organ of the digestive tract?
A. esophagus
C. rectum
B. large intestine
D. small intestine
10. Why does the body use oxygen?
A. to release excess carbon dioxide
B. to produce energy
D
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