What is the main function of the circulatory system?

Question

A.
to remove excess waste materials from the body

B.
to distribute blood throughout the body

C.
to secrete hormones in different areas of the body

D.
to coordinate the actions of the body

Answer 1

The main function of the circulatory system is:

B. to distribute blood throughout the body.

The circulatory system is responsible for transporting blood, nutrients, oxygen, carbon dioxide, hormones, and waste products to and from cells throughout the body.