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Question
In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?
Options
Pisces and amphibians
Amphibians and reptiles
Amphibians only
Pisces only
Solution
Pisces only
Explanation -
This is due to the heart's solitary circulation, which pumps deoxygenated blood from all parts of the body into it. It is pumped from the heart to the gills, where it is oxygenated and distributed to all parts of the body. As a result, Pisces will not be receiving oxygenated blood.
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