Cardiovascular System Quiz

A cell that helps protect the body from diseases and foreign substances.

Which of the following?

• White blood cell

• Red blood cell

• Atrium

• Ventrical

What is a key function of blood related to microorganisms?

• To transport them

• To attack them

• To produce them

• To digest them

What is the function of the right atrium?

• Pumps oxygen-rich blood to the body

• Receives blood from the body that is low in oxygen

• Carries blood from the lungs to the heart

• Pumps oxygen-poor blood to the lungs

Which vessel carries blood from the upper body to the heart?

• Vessel from heart to lungs

• Major vessel from upper body to heart

• Vessels from lung to heart

• Aorta

What is the function of the left ventricle?

• Pumps oxygen-poor blood to the lungs

• Receives blood from the body

• Pumps oxygen-rich blood from the heart

• Carries blood from the lungs to the heart

Which vessel carries blood from the lungs to the heart?

• Major vessel from upper body to heart

• Vessel from heart to lungs

• Vessels from lung to heart

• Aorta

Which chamber of the heart pumps oxygen-rich blood?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

Which chamber of the heart receives blood that is high in carbon dioxide?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What are the two main phases of the heart's action?

• Relaxation and contraction

• Expansion and compression

• Inhalation and exhalation

• Opening and closing

What happens in the first phase of the heart's action?

• The heart contracts and pumps blood

• The heart relaxes and the atria fill with blood

• The heart stops beating

• The heart increases in size