In the _______ System, the Heart Pumps Blood Through a Vast

Question

In the _______ system, the heart pumps blood through a vast system of blood vessels.
A) lymphatic
B) immune
C) endocrine
D) cardiovascular

Accepted Answer

The cardiovascular system refers to the heart and blood vessels, where the heart pumps blood through the arteries, veins and capillaries, delivering oxygen and nutrients to tissues and organs throughout the body. The lymphatic system is a separate system that helps maintain fluid balance and immunity, the immune system is responsible for protecting the body from diseases and infections, and the endocrine system includes glands that produce hormones to regulate bodily functions.