Circulatory System Vocabulary

Front

Heart

Back

The organ that pumps blood throughout the body.

Front

Artery

Back

A blood vessel that carries blood away from the heart.

Front

Vein

Back

A blood vessel that carries blood toward the heart.

Front

Capillary

Back

Tiny blood vessels where oxygen and nutrients are exchanged with cells.

Front

Plasma

Back

The liquid part of blood that carries cells, nutrients, and waste.

Front

Red blood cell

Back

Blood cells that carry oxygen throughout the body.

Front

White blood cell

Back

Blood cells that help fight infections and protect against disease.

Front

Involuntary Muscle

Back

a muscle that works automatically without you thinking about it

Front

Oxygenated blood

Back

Blood rich in oxygen, carried by arteries, bright red in color

Front

Deoxygenated blood

Back

Blood low in oxygen, carried by veins, dark red in color