Circulatory System

Front

What is the main function of the circulatory system?

Back

To transport oxygen, nutrients, and waste products throughout the body.

Front

What are blood vessels?

Back

Tubes in the body that carry blood; they include arteries, veins, and capillaries.

Front

What is an artery?

Back

A blood vessel that carries oxygen-rich blood away from the heart.

Front

What is a vein?

Back

A blood vessel that carries oxygen-poor blood back to the heart.

Front

What is the role of the heart in the circulatory system?

Back

To pump blood throughout the body.

Front

What is oxygen-rich blood?

Back

Blood that has a high concentration of oxygen, usually found in arteries.

Front

What is oxygen-poor blood?

Back

Blood that has a low concentration of oxygen, usually found in veins.

Front

How does the circulatory system work with the respiratory system?

Back

It transports oxygen from the lungs to the body and carbon dioxide from the body to the lungs.

Front

What is the function of capillaries?

Back

To allow the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Front

What is the digestive system's role in relation to the circulatory system?

Back

It breaks down food into nutrients that the circulatory system transports to cells.