Circulatory system

Which type of blood vessel carries blood TO the heart?

• arteries

• capillaries

• veins

What is the main organ of the circulatory system?

• Brain

• Stomach

• Heart

The job of the heart is to . . .

• pump blood around the body.

• break down food

• think

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

• Oxygen

• Carbon dioxide

• White blood cells

The part of the blood that carries oxygen is called...

• Red blood cells

• White blood cells

• Black blood cells

How many types of blood vessels are in our body?

• 1

• 2

• 3

• 4

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

• veins

• capillaries

• arteries

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

• veins

• capillaries

• arteries

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

• veins

• capillaries

• arteries

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

• Hand

• Foot

• Fist