Author Question: Which vessels return blood to the heart? a. arteries b. veins c. capillaries d. ... (Read 99 times)

yoooooman

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Which vessels return blood to the heart?
 a. arteries
  b. veins
  c. capillaries
  d. arterioles

Question 2

The exchange of nutrients takes place in the:
 a. capillaries.
  b. arteries.
  c. veins.
  d. venules.



randomguy133

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Answer to Question 1

B

Answer to Question 2

A



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