The circulatory system of a whale is considered an organ system because it is composed of different
A) cells.
B) tissues.
C) organs.
D) molecules.
E) hearts.

Question

Quizplus · Accepted Answer

The circulatory system of a whale, like in other mammals, is considered an organ system because it is composed of different organs, such as the heart and blood vessels, that work together to circulate blood throughout the body.

The Circulatory System of a Whale Is Considered an Organ