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Home Q & A Board Biology-Related Homework Help General Biology
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bekah02 bekah02
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6 years ago
In human lungs, where does gas exchange
  occur?
 
  a. the pharynx
  b. the alveoli
  c. the trachea
  d. the bronchioles
  e. more than one of these

Question 2

The pulmonary capillaries
 
  a. are closely associated with alveoli but do
  not fuse.
  b. fuse with the alveoli to facilitate gas
  exchange.
  c. bring oxygenated blood back to the heart.
  d. bring deoxygenated blood back to the heart.
  e. fuse with the alveoli to facilitate gas
  exchange, and bring oxygenated blood back
  to the heart.
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beunique90beunique90
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#1
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6 years ago
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bekah02 Author
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#2
6 years ago
This helps so much, thank you for responding so quickly...
wrote...
#3
6 years ago
No worries, I was online and bored Grinning Face with Smiling Eyes
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