Circulatory System

What is the function of the circulatory system?

• break down food into nutrients for the body

• protect the body

• produce movement

• carry nutrients and oxygen to cells

Which of the following is NOT part of the circulatory system?

• heart

• lungs

• arteries

• veins

The upper two chambers of the heart that receive blood are called

• ventricles.

• capillaries.

• blood vessels.

• atria.

The lower two chambers of the heart are called

• ventricles.

• capillaries.

• blood vessels.

• atria.

How many chambers are in the human heart?

• 2

• 3

• 4

• 5

Which of the following carry blood away from the heart to the rest of the body?

• capillaries

• arteries

• veins

Which of the following carry blood from the body back to the heart?

• capillaries

• arteries

• veins

The watery part of blood is the

• hemoglobin.

• platelets.

• red blood cell.

• plasma.

Where are red blood cells made?

• the capillaries

• the bone marrow

• the veins

• the arteries

Which part of the blood fights bacteria and viruses?

• plasma

• red blood cells

• white blood cells

• platelets