Question

Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other cells and parts of the body. The blood then returns to the heart to begin the process again. Which of the body’s systems is the above process describing?

Answer choices
(A)-The skeletal system
(B)-The digestive system
(C)-The respiratory system
(D)-The circulatory system

Answer 1

It is C

Step-by-step explanation:

I had this on my test last week