Flow through the heart

What is the human heart primarily known as?

• B. A pump

• C. A storage unit

• D. A generator

• A. A filter

At what stage does the human heart start pumping blood?

• A. 4 weeks old

• B. 8 weeks old

• C. 12 weeks old

• D. 16 weeks old

What is the name of the chamber where blood from the arms and head ends up?

• B. Right atrium

• A. Left atrium

• D. Right ventricle

• C. Left ventricle

Which vessel carries blood away from the heart towards the lungs?

• A. Pulmonary artery

• B. Pulmonary vein

• C. Aorta

• D. Superior vena cava

What is the color of the blood in the vessels going towards the lungs?

• A. Blue

• B. Red

• C. Green

• D. Yellow

Which chamber of the heart receives oxygenated blood from the lungs?

• C. Left atrium

• B. Right ventricle

• D. Left ventricle

• A. Right atrium

What is the name of the valve between the left atrium and the left ventricle?

• D. Aortic valve

• B. Mitral valve

• A. Tricuspid valve

• C. Pulmonary valve

Which vessel carries oxygenated blood from the heart to the rest of the body?

• A. Pulmonary artery

• B. Pulmonary vein

• C. Aorta

• D. Superior vena cava

What is the main function of the valves in the heart?

• A. To regulate body temperature

• B. To control blood pressure

• C. To prevent blood from flowing backwards

• D. To produce hormones

Which chamber of the heart pumps blood to the body?

• B. Right ventricle

• C. Left atrium

• D. Left ventricle

• A. Right atrium