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Home Q & A Board Biology-Related Homework Help General Biology
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studyperfect studyperfect
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6 years ago
Air is continuously forced through tubes that thread
  through vascularized tissue in a pair of inelastic
  lungs in
  a. some fish.
  b. amphibians.
  c. birds.
  d. reptiles.
  e. some small mammals.

Question 2

Which of the following is (are) characteristic of some
  amphibians?
  a. gills
  b. integumentary exchange
  c. lungs for oxygen uptake
  d. skin for carbon dioxide removal
  e. all of these
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ilovephysicsilovephysics
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6 years ago
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studyperfect Author
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#2
6 years ago
Thank you for your assistance, again and again
wrote...
#3
6 years ago
My pleasure
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