Circulatory System

Front

What do arteries carry away from the heart?

Back

Oxygen-rich blood.

Front

What do veins carry back to the heart?

Back

Oxygen-poor blood.

Front

How does the heart function in the circulatory system?

Back

It pumps blood first to the lungs, back to the heart, and then around the rest of the body.

Front

Which system works with the circulatory system to provide oxygen to the body?

Back

Respiratory system.

Front

What are the smallest blood vessels called?

Back

Capillaries.

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, gases, and waste throughout the body.

Front

What is the role of red blood cells in the circulatory system?

Back

To carry oxygen from the lungs to the body's tissues and return carbon dioxide to the lungs.

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What type of blood do pulmonary veins carry?

Back

Oxygen-rich blood.

Front

What type of blood do pulmonary arteries carry?

Back

Oxygen-poor blood.