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Home Q & A Board Biology-Related Homework Help General Biology
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qpitt19777 qpitt19777
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6 years ago
The most oxygenated blood is indicated by the letter ____.
  a. A
  b. B
  c. C
  d. D
  e. E

Question 2

Water flowing back and forth across the gills of fish is known as _____.
  a. capillary movement
  b. counter current exchange
  c. deoxygenation
  d. pharyngeal movement
  e. gill slits
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vivian970811vivian970811
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