Front

What is the main function of the circulatory system?

Back

To transport oxygen, nutrients, hormones, and waste products throughout the body.

Front

What are the two main types of blood vessels in the circulatory system?

Back

Arteries and veins.

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body's cells and transport carbon dioxide back to the lungs.

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What is the largest artery in the body?

Back

Aorta.

Front

What type of blood do veins carry?

Back

Oxygen-poor blood (except for pulmonary veins which carry oxygen-rich blood from the lungs).

Front

What is the role of white blood cells?

Back

To fight infections and protect the body against diseases.

Front

What is the function of platelets?

Back

To help with blood clotting.

Front

What is the difference between the right and left sides of the heart?

Back

The right side receives oxygen-poor blood and pumps it to the lungs; the left side receives oxygen-rich blood and pumps it to the rest of the body.

Front

What is the main organ of the circulatory system?

Back

Heart.