The Heart and Blood Vessels are the Primary Organs of the ________

Question

The heart and blood vessels are the primary organs of the ________ system.
A) lymphatic
B) integumentary
C) cardiovascular
D) muscular

Accepted Answer

The cardiovascular system, also known as the circulatory system, is responsible for the circulation of blood throughout the body. The heart pumps blood through the blood vessels, which include arteries, veins, and capillaries. This system is responsible for delivering nutrients, oxygen, and hormones to the body's tissues and removing waste products such as carbon dioxide. Therefore, the correct answer is C) cardiovascular.