Body Systems Practice Questions

What is the main function of the circulatory system?

• To digest food

• To transport blood around the body

• To produce hormones

• To control body temperature

What do the valves in the heart do?

• They produce oxygen

• They open and close between the chambers

• They store nutrients

• They remove waste

How many chambers does the heart have?

• 2

• 3

• 4

• 5

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

• Veins

• Capillaries

• Arteries

• Nerves

What is a common cause of coronary heart disease?

• Lack of exercise

• Plaque buildup in arteries

• Too much water intake

• Low blood sugar

What is the size of your heart approximately?

• The size of a tennis ball

• The size of a fist

• The size of a grapefruit

• The size of a golf ball

What can be used to restart a heart?

• A thermometer

• An AED

• A stethoscope

• A blood pressure cuff

What is the main function of the respiratory system?

• To help us breathe

• To digest food

• To circulate blood

• To move muscles

Which gas does the respiratory system take in from the air?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

What is the role of the nose in the respiratory system?

• To pump blood

• To filter and warm air

• To digest food

• To produce sound