Cardiovascular system

How many chambers does the heart have?

• Two

• Four

• Six

• Eight

Which of the following are the upper chambers of the heart?

• Left ventricle & right ventricle

• Left atrium & right atrium

• Left atrium & left ventricle

• Right atrium & right ventricle

Which chambers of the heart are responsible for pumping blood throughout the body?

• Atria

• Ventricles

• Both atria and ventricles

• None of the above

Which chamber of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the function of the pulmonary artery?

• To carry oxygenated blood from the lungs to the heart

• To carry deoxygenated blood from the heart to the lungs

• To carry oxygenated blood from the heart to the body

• To carry deoxygenated blood from the body to the heart

Where does the aorta carry blood to?

• To the lungs

• To the body

• To the right atrium

• To the left atrium

What type of blood does the right side of the heart receive?

• Oxygenated blood

• Deoxygenated blood

• Mixed blood

• Nutrient-rich blood

Through which vessels does deoxygenated blood return to the right atrium?

• Pulmonary veins

• Aorta

• Superior and Inferior Vena Cava

• Pulmonary arteries

What happens when the right atrium contracts?

• Blood is pushed into the left atrium

• Blood is pushed into the right ventricle

• Blood is pushed into the aorta

• Blood is pushed into the pulmonary veins

What happens to the blood in the lungs?

• It becomes deoxygenated

• It becomes oxygenated

• It becomes nutrient-rich

• It becomes carbonated