The Circulatory System Quiz

The main function of the circulatory system is to transport essential substances, such as oxygen, nutrients, and waste products, to and from cells and organs.

The circulatory system carries nutrients and oxygen to the cells.

The circulatory system removes carbon dioxide from the cells and takes it to the lungs where it is exhaled.

<p>The circulatory system distributes heat around the body as it is a by-product of respiration.</p> Signup and view all the answers

<p>The circulatory system consists of the heart, blood vessels, and blood.</p> Signup and view all the answers