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Home Q & A Board Biology-Related Homework Help Medicine Emergency Medical Care
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asabino asabino
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6 years ago
Which blood vessel carries blood from the heart to the lungs?
 
  A) aorta
   B) vena cava
   C) pulmonary artery
   D) pulmonary vein

Question 2

Explain why breathing is necessary for cellular respiration to occur.
 
  What will be an ideal response?

Question 3

Minor tissue damage to the outer epidermal layer only is what type of burn?
 
  A) First degree B) Second degree C) Fourth degree D) Third degree
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wrote...
#1
6 years ago
Answer to q. 1

C

Answer to q. 2

We inhale oxygen because it is necessary for the breakdown of glucose to produce ATP. Carbon dioxide develops as a waste product of ATP production. We exhale this carbon dioxide to remove it from the body.

Answer to q. 3

A
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