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Author Question: Unoxygenated blood from the head and neck region returns to the heart via the: a. pulmonary artery ... (Read 90 times)

Brittanyd9008

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Unoxygenated blood from the head and neck region returns to the heart via the:
 a. pulmonary artery b. aorta
  c. inferior vena cava d. superior vena cava

Question 2

The ventricles of the heart are principally responsible for:
 a. lubrication b. portal circulation
  c. pumping blood d. receiving blood



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Jmfn03

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Answer to Question 1

d

Answer to Question 2

c




Brittanyd9008

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Reply 2 on: Jun 25, 2018
Gracias!


Bigfoot1984

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Reply 3 on: Yesterday
Excellent

 

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