Circulatory System Quiz

What is the main function of the circulatory system?

• Filtering waste from the blood

• Regulating body temperature

• Digesting food

• Transporting nutrients and oxygen

How many chambers does the heart have?

• Four

• Five

• Three

• Two

Which blood vessels carry blood away from the heart?

• Veins

• Capillaries

• Lymphatic vessels

• Arteries

What is the function of white blood cells?

• Carrying nutrients

• Carrying oxygen

• Protecting the body from getting sick

• Clotting blood

What is the main component of plasma?

• Water

• Red blood cells

• Hormones

• Platelets

Where is the heart located in the body?

• To the left of the lungs

• In the stomach

• To the right of the lungs

• Between the kidneys

What is the role of capillaries in the circulatory system?

• Clotting blood

• Producing red blood cells

• Connecting arteries and veins

• Carrying blood away from the heart

What is the function of platelets in the blood?

• Removing waste from the body

• Producing antibodies

• Clotting blood

• Carrying oxygen

What gives blood its red color?

• White blood cells

• Plasma

• Platelets

• Hemoglobin

What is the average heart rate per minute?

• 60-100

• 40-60

• 100-120

• 20-40