Circulatory System Grade 8

Front

What is the circulatory system?

Back

A group of organs and tissues that act as transfer stations carrying needed materials to cells and removing their waste products.

Front

What are the lower chambers of the heart called?

Back

Ventricles.

Front

Which atrium does blood high in carbon dioxide enter the heart?

Back

Right atrium.

Front

What is the main function of the heart?

Back

The heart circulates blood and oxygen throughout the body.

Front

Identify the chamber of the heart that pumps oxygenated blood to the body.

Back

Left ventricle.

Front

What is the role of arteries in the circulatory system?

Back

Arteries carry oxygen-rich blood away from the heart to the body.

Front

What is the role of veins in the circulatory system?

Back

Veins carry deoxygenated blood back to the heart.

Front

What is the function of capillaries?

Back

Capillaries are tiny blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs.

Front

What is the largest artery in the body?

Back

Aorta.

Front

What is the function of the heart valves?

Back

Heart valves prevent the backflow of blood and ensure it flows in one direction.