Question

single circulation i.e. blood flow through the heart occuring only once during a complete cycle of blood passage throughout the body , is exhibited by
options are
(a) laeo,chameleon,salamamder
(b) hippocampus,exocoetus, anabas
(c) hyla,rana,draco
(d) whale, dolphin , turtle

plzz give me quick reply ​

Answer 1

Answer:

b

Explanation:

these are fishes and single circulation takes place in fishes.