Circulatory System

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.

Front

What organ pumps blood throughout the body?

Back

The heart.

Front

What are the two main types of blood cells?

Back

Red blood cells and white blood cells.

Front

What do red blood cells do?

Back

They carry oxygen from the lungs to the rest of the body.

Front

What do white blood cells do?

Back

They help fight infections and protect the body.

Front

What is plasma?

Back

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

Front

How many valves are in the heart?

Back

There are four valves in the heart.

Front

What is the role of arteries?

Back

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

Front

What is the role of veins?

Back

To carry oxygen-poor blood back to the heart.

Front

What is the largest artery in the body?

Back

The aorta.