Circulatory System Quiz

What is the main structure of the circulatory system?

• Lungs

• Heart

• Brain

• Stomach

Which part of the circulatory system pumps blood throughout the body?

• Respiratory system

• Digestive system

• Cardiovascular system

• Nervous system

What is the function of an artery?

• Carries blood away from the heart

• Carries blood back to the heart

• Exchanges gases between blood and body cells

• Pumps blood throughout the body

What is the function of a vein?

• Carries blood away from the heart

• Carries blood back to the heart

• Exchanges gases between blood and body cells

• Pumps blood throughout the body

What is the function of a capillary?

• Carries blood away from the heart

• Carries blood back to the heart

• Exchanges gases between blood and body cells

• Pumps blood throughout the body

Which vessel has thinner walls than arteries?

• Artery

• Vein

• Capillary

• Lung

Where does blood travel from the lungs?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the process of blood circulation?

• Lungs to left atrium to left ventricle to body cells to right atrium to right ventricle to lungs

• Lungs to right atrium to right ventricle to body cells to left atrium to left ventricle to lungs

• Lungs to left ventricle to left atrium to body cells to right ventricle to right atrium to lungs

• Lungs to right ventricle to right atrium to body cells to left ventricle to left atrium to lungs