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mayismqz mayismqz
wrote...
Posts: 504
Rep: 1 0
6 years ago
The number of circuits in the circulatory systems of humans is
 
 a. one.
  b. two.
  c. three.
  d. four.

Question 2

Blood contains
 
 a. dissolved gases.
  b. dissolved nutrients.
  c. dissolved hormones.
  d. all of the above.
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Replies
wrote...
6 years ago
Answer to q. 1

b

Answer to q. 2

c
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