Body Systems

Front

What is the main organ of the circulatory system?

Back

Heart

Front

______________ are the smallest blood vessels.

Back

Capillaries

Front

What type of cells carry oxygen in the blood?

Back

Red blood cells

Front

The circulatory system works with the __________ system to obtain energy from nutrients that we eat.

Back

Digestive

Front

Which of the following describes where the blood is going to or coming from for the box labeled #3?

Back

To Body

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What are arteries?

Back

Blood vessels that carry blood away from the heart.

Front

What are veins?

Back

Blood vessels that carry blood back to the heart.

Front

What is the role of capillaries?

Back

To exchange oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Front

What is blood made of?

Back

Red blood cells, white blood cells, platelets, and plasma.