Heart Quiz

What is the primary function of the heart in the circulatory system?

• To filter blood

• To pump blood throughout the body

• To produce red blood cells

• To store oxygen

Which type of blood vessel carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

What is the name of the upper chambers of the heart?

• Ventricles

• Atria

• Septa

• Valves

Which component of blood is primarily responsible for oxygen transport?

• White blood cells

• Platelets

• Plasma

• Red blood cells

What is the function of the valves in the heart?

• To pump blood

• To prevent backflow of blood

• To filter blood

• To produce blood cells

Which blood vessel is known as the body's main artery?

• Pulmonary artery

• Aorta

• Vena cava

• Coronary artery

What is the term for the double-layered membrane surrounding the heart?

• Myocardium

• Endocardium

• Pericardium

• Epicardium

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

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the name of the blood vessels that supply the heart muscle with oxygen and nutrients?

• Pulmonary veins

• Coronary arteries

• Carotid arteries

• Jugular veins

Which phase of the cardiac cycle involves the contraction of the heart muscles?

• Diastole

• Systole

• Resting phase

• Refractory period