Question

question 10 of 25
what does the circulatory system do?
a. moves blood around the body
b. defends against invaders
c. brings oxygen into the body
d. sends hormones to the body

Explanation:

The circulatory system's main function is to circulate blood. Option B is the immune system's role. Option C is the respiratory system's job. Option D is mainly related to the endocrine system. So the circulatory system moves blood around the body.

Answer:

A. Moves blood around the body