Author Question: Blood vessels that carry blood back to the heart, operate under low pressure, and are relatively ... (Read 81 times)

corkyiscool3328

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Blood vessels that carry blood back to the heart, operate under low pressure, and are relatively thin-walled are called:
 
  A) arteries
  B) veins
  C) capillaries
  D) arterioles

Question 2

The lower chambers of the heart are the:
 
  A) endocardium
  B) veins
  C) atria
  D) ventricles



lin77x

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



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