Circulatory System

Which type of blood vessel carries blood TO the heart?

• arteries

• veins

• capillaries

What is the main organ of the circulatory system?

• Brain

• Heart

• Stomach

The job of the heart is to . . .

• pump blood around the body.

• break down food

Deoxygenated blood means that the blood is low in...

• Oxygen

• Carbon dioxide

As the blood reaches the lungs, what is removed from the blood?

• Oxygen

• Carbon dioxide

• Red blood cells

• White blood cells

The part of the blood that carries oxygen is called

• Red blood cells

• White blood cells

The type of blood vessel that normally carries de-oxygenated blood back to the heart from body cells

• arteries

• veins

• capillaries

The type of blood vessel that normally carries oxygenated blood from the heart to the body cells?

• arteries

• veins

• capillaries

The type of blood vessel where exchange of gases, nutrients, and wastes occurs?

• arteries

• veins

• capillaries

The heart is about the size and shape of your ___.

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