The Circulatory System

Front

What do veins carry back to the heart?

Back

Oxygen-poor blood.

Front

What are the main parts of the cardiovascular system?

Back

Blood, blood vessels, and heart.

Front

What is the primary function of white blood cells?

Back

To fight pathogens.

Front

What do arteries do?

Back

Carry blood away from the heart.

Front

Which type of blood vessel is responsible for exchanging materials between blood and cells?

Back

Capillaries.

Front

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

Back

To pump blood throughout the body.

Front

What type of blood do arteries carry?

Back

Oxygen-rich blood (except for pulmonary arteries).

Front

What is the role of red blood cells?

Back

To carry oxygen to the body's tissues.

Front

What is plasma?

Back

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

Front

What are capillaries?

Back

Tiny blood vessels where the exchange of materials occurs.