Heart Circulation

What is the pathway of blood flow through the heart?

• Body -> Right Atrium -> Right Ventricle -> Lungs -> Left Atrium -> Left Ventricle -> Body.

• Body -> Left Atrium -> Left Ventricle -> Lungs -> Right Atrium -> Right Ventricle -> Body.

• Lungs -> Right Atrium -> Right Ventricle -> Body -> Left Atrium -> Left Ventricle.

• Body -> Right Ventricle -> Right Atrium -> Lungs -> Left Ventricle -> Left Atrium.

What happens in pulmonary circulation?

• Circulation to the lungs.

• Circulation to the heart.

• Circulation to the brain.

• Circulation to the liver.

What is the role of the ventricles in the heart?

• Pump blood out of the heart.

• Filter blood before it enters the lungs.

• Regulate heart rate and rhythm.

• Store blood for later use.

What does an atrium do?

• Let blood in.

• Pump blood out.

• Filter blood.

• Store oxygen.

What is the main function of veins?

• Carry oxygenated blood away from the heart.

• Transport nutrients to the body's tissues.

• Carry de-oxygenated blood back to the heart.

• Regulate blood pressure in the arteries.

What is the difference between systemic and pulmonary circulation?

• Systemic circulation carries de-oxygenated blood to the lungs; pulmonary circulation delivers oxygenated blood to the body.

• Systemic circulation delivers oxygenated blood to the body; pulmonary circulation carries de-oxygenated blood to the lungs.

• Systemic circulation is responsible for nutrient absorption; pulmonary circulation is responsible for waste removal.

• Systemic circulation occurs in the heart; pulmonary circulation occurs in the brain.

What is the carbon dioxide level in the right side of the heart?

• Low in CO2.

• Normal in CO2.

• High in CO2.

• Variable in CO2.

What type of blood vessel carries de-oxygenated blood back to the heart from body cells?

• Arteries

• Veins

• Capillaries

• Aorta

What is the main function of arteries?

• Carry oxygenated blood away from the heart.

• Transport deoxygenated blood to the heart.

• Regulate blood pressure in the veins.

• Filter waste products from the blood.

What is the oxygen level in the left side of the heart?

• Low in O2

• Moderate in O2

• High in O2

• Variable in O2