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Home Q & A Board Biology-Related Homework Help General Biology
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LM12345 LM12345
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6 years ago
Some invertebrates do not have special respiratory
  organs and rely on __________ exchange, diffusion
  of gases across the body surface. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Respiratory proteins such as __________ in red
  blood cells and __________ in muscle bind oxygen
  and help maintain gradients that favor gas exchange. Fill in the blank(s) with the appropriate word(s).
 
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Ron.MRon.M
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6 years ago
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LM12345 Author
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#2
6 years ago
Confirmed correct!
wrote...
#3
6 years ago
Cool, thanks for replying back
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