Heart Anatomy Quiz

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Which chamber of the heart is responsible for pumping deoxygenated blood to the lungs?

Right ventricle (correct)

Right atrium

Left atrium

Left ventricle

What is the primary function of the atrioventricular valves?

To allow blood to flow backward

To oxygenate the blood

To pump blood to the body

To control the flow of blood between the atria and ventricles (correct)

What characteristic distinguishes ventricles from atria in the heart's structure?

Atria pump blood to the lungs

Ventricles have thinner walls

Atria receive oxygenated blood only

Ventricles have thicker muscular walls (correct)

Which statement regarding the heart's chambers is accurate?

Both ventricles receive blood from their corresponding atrium. Signup and view all the answers

Which component of the heart primarily supplies oxygen to the cardiac muscle itself?

Coronary blood vessels Signup and view all the answers

What is the duration of the entire cardiac cycle?

0.8 seconds Signup and view all the answers

What causes the 'dub' sound during a heartbeat?

Closure of the pulmonary and aortic valves Signup and view all the answers

Which of the following statements about arteries and veins is correct?

Arteries carry blood away from the heart. Signup and view all the answers

What separates the two ventricles of the heart?

Interventricular septum Signup and view all the answers

Which circuit is responsible for transporting deoxygenated blood to the lungs?

Pulmonary Circuit Signup and view all the answers

What happens during the diastole phase of the cardiac cycle?

Ventricles relax and fill with blood Signup and view all the answers

Which structure lubricates the surface of the heart to prevent friction?

Pericardium Signup and view all the answers

What is the function of the pulmonary valve in the heart?

Controls blood flow between the right ventricle and pulmonary artery Signup and view all the answers

Which chamber does deoxygenated blood enter before moving to the right ventricle?

Right atrium Signup and view all the answers

After oxygenation in the lungs, where does the blood go next?

Into the left atrium Signup and view all the answers

What role does the aortic valve play in the circulatory system?

Controls blood flow between the left ventricle and aorta Signup and view all the answers

Which structure carries blood from the lower body to the heart?

Inferior vena cava Signup and view all the answers

Which statement correctly describes the blood flow through the right side of the heart?

Deoxygenated blood is pumped to the lungs for oxygenation Signup and view all the answers

How does blood leave the heart to enter systemic circulation?

Through the aorta Signup and view all the answers

What is the primary role of the thick ventricles in the heart?

To pump blood into the lungs and the rest of the body Signup and view all the answers