Cardiovascular System

The heart pumps blood throughout the body.

Arteries and veins.

Arteries carry blood away from the heart.

Veins carry blood back to the heart.

Blood pressure is the force of blood against the walls of the arteries.

120/80.

Red blood cells are cells that transport oxygen to the body and carbon dioxide away from the body.

White blood cells are immune cells that fight infection and foreign invaders.

Plasma is the liquid component of blood that contains nutrients, hormones, and electrolytes.

Red blood cells drop off fresh oxygen and pick up carbon dioxide.