Circulatory System Review

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

• bones
• heart
• arteries
• veins

The heart is an organ made mostly of what type of tissue?

• connective tissue
• smooth muscle tissue
• cardiac muscle tissue

How many chambers are in the human heart?

• 2
• 4
• 3
• 5

What are the lower chambers of the heart called?

• valves
• atria
• ventricles
• veins

What is the purpose of the valves found in the heart?

• to keep blood from flowing backward
• to connect the chambers of the heart
• to keep blood pressure at the right level
• to filter the blood

The right side of the heart pumps blood to the

• brain
• entire body
• lungs
• major organs

The left side of the heart pumps blood to the

• lungs
• entire body (other than the lungs)
• brain only
• left side of the body only

Which type of blood vessel carries blood away from the heart?

• arteries
• veins
• capillaries
• valves

Which type of blood vessels are very narrow and exchange material with the body cells?

• arteries
• veins 
• capillaries
• valves

Which  type of blood vessel carries blood back to the heart?

• arteries
• veins
• capillaries
• valves