Question

An animal having double circulation in a three-chambered heart is ______.

Options

• fish

• snake

• deer

• sparrow

Answer 1

An animal having double circulation in a three-chambered heart is snake.

Explanation:

Snake is a reptile and has a double circulation in a three-chambered heart. Pisces (e.g. fish) have a single circulation in a two-chambered heart, while mammals (e.g. deer) and birds (e.g. sparrow) have a double circulation in a four-chambered heart.