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Home Q & A Board Biology-Related Homework Help Medicine Pharmacology (Moderator: DelightfulMind)
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skyheart skyheart
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6 years ago
Oxygen and carbon dioxide are exchanged:
 
  a. During inspiration and expiration
  b. During inhalation and exhalation
  c. Between the alveoli and capillaries
  d. At the pharynx and larynx
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Goldy45Goldy45
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6 years ago
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skyheart Author
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6 years ago
Thank you, thank you, thank you!
Transonic
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Yesterday
this is exactly what I needed
mikeh209
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2 hours ago
Brilliant ツ
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