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Home Q & A Board Biology-Related Homework Help General Biology
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dxcwgr dxcwgr
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6 years ago
Oxygen concentration generally plays an important role in regulating respiration:a.
   all the time.
  b. never.
  c. only when the carbon dioxide concentration falls markedly.
  d. only when the oxygen concentration falls markedly.
  e. only when the pH falls markedly.

Question 2

Which of the following statements about the regulation of respiration is false?
  a. Respiratory centers in the medulla control the transition from inspiration to expiration.
  b. Carbon dioxide concentration is the most important chemical stimulus for regulating
  respiratory rate.
  c. Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in
  the blood.
  d. A group of neurons in the ventral medulla only become active when we need to breathe
  forcefully.
  e. Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion
  concentration.
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MansiMansi
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6 years ago
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dxcwgr Author
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#2
6 years ago
Thank you

Can you answer the others that I've posted too? Face with Cold Sweat
wrote...
#3
6 years ago
I'll take a quick look at them
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