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The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the _____. A) amphibians B) fishes C) mammals…

The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the _____. A) amphibians B) fishes C) mammals…
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The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the _____.

A) amphibians
B) fishes
C) mammals
D) reptiles

User Jiyoon Hur
by
8.4k points

1 Answer

2 votes

Answer:

The correct answer is B) fishes

User Coykto
by
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