Fights disease and infection. Made by the lymphatic system.

This organ pumps blood through your body.

These blood vessels take oxygenated blood to the body cells.

These blood vessels carry deoxygenated blood to the lungs.

Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients.

The system that makes red blood cells.

The system that delivers oxygen and gets rid of carbon dioxide.

The system that sends electrical signals to the heart that tell it to beat.

The system that breaks down food into nutrients.

The system that makes white blood cells.

A disease in which red blood cells are mis-shaped and clog capillaries.

Causes an overproduction of white blood cells that crowd the blood.

Cholesterol and plaque builds up on vessel walls and causes heart attack and stroke.

A hereditary disease where blood does not clot to stop bleeding.

The 3 main functions of the Circulatory System