Q. 715.0( 3 Votes )
In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body ?
A. pisces and amphibians
B. amphibians and reptiles
C. amphibians only
D. pisces only
In only pisces (fish) heart does not pump oxygenated blood to different parts of the body. The oxygenated blood is supplied from the gills to the body by dorsal aorta. Thus, in fish, heart receives only deoxygenated blood.
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