Human Circulatory System Quiz

What type of muscle is the heart made of?

• Voluntary muscle

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

What ensures that blood flows in one direction in the heart?

• Capillaries

• Valves

• Veins

• Arteries

Which chambers of the heart are located at the top?

• Left and right ventricles

• Left and right atrium

• Aorta and vena cava

• Pulmonary artery and vein

What is the function of the pulmonary artery?

• Carries blood to the lungs

• Carries blood to the heart

• Carries blood to the brain

• Carries blood to the body

What is the name of the blood vessel that carries blood back from the lungs to the heart?

• Pulmonary vein

• Vena cava

• Aorta

• Coronary artery

What is the name of the process when the heart muscle contracts?

• Atherosclerosis

• Respiration

• Systole

• Diastole

Which side of the heart contains the tricuspid valve?

• Left side

• Right side

• Top side

• Bottom side

What is the role of the coronary arteries?

• Supply blood to the lungs

• Supply blood to the brain

• Supply blood to the intestines

• Supply blood to the heart muscle

What is the term for the complete heartbeat cycle?

• Pulmonary cycle

• Vascular cycle

• Respiratory cycle

• Cardiac cycle

What happens to the heart rate during exercise?

• Decreases

• Increases

• Stops

• Stays the same