Question

Heart muscles contract and relax. What is the most important effect of

this action on the human body?
O A. Blood is pushed through vessels.
B. The heart beats rhythmically.
C. The heart gets needed exercise.
D. Energy is generated for other organs.






PLEASE HELP ME

Answer 1

A. Blood is pushed through vessels.

hope this answer helps you.....

Answer 2

A. Blood is pushed through vessels

Step-by-step explanation:

Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.

Hope it will help :)❤