Single circulation, i.e blood flows through the heart only once during one cycle of passage through the body, is exhibited by
A. Labeo, chameleon, salamander
B. Hippocampus, exocoetus, anabas
C. Hyla, rana, draco
D. Whale, dolphin, turtle
Answer:B
Single circulation, i.e blood flows through the heart only once during one cycle of passage through the body, is exhibited by
A. Labeo, chameleon, salamander B. Hippocampus, exocoetus, anabas C. Hyla, rana, draco D. Whale, dolphin, turtle