Heart and Circulatory System Quiz

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

• To pump blood throughout the body

• To digest food

• To filter waste from the blood

• To provide oxygen to the brain

What happens to the heart rate when you exercise?

• It remains the same

• It decreases

• It increases

• It stops

Which of the following is NOT a chamber of the heart?

• Right atrium

• Left atrium

• Right ventricle

• Pulmonary artery

What is the role of the tricuspid valve?

• To oxygenate the blood

• To filter blood

• To prevent blood from flowing backward

• To pump blood to the lungs

Which vein carries oxygenated blood to the heart?

• Superior vena cava

• Aorta

• Inferior vena cava

• Pulmonary vein

What is the main artery that carries oxygenated blood away from the heart?

• Inferior vena cava

• Superior vena cava

• Aorta

• Pulmonary artery

During which phase does the heart relax and fill with blood?

• Pulse

• Contraction

• Diastole

• Systole

What is the function of the coronary arteries?

• To remove waste from the body

• To transport nutrients to the brain

• To supply oxygenated blood to the heart muscle

• To carry deoxygenated blood to the lungs

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

• Right ventricle

• Right atrium

• Left atrium

• Left ventricle

What is the sequence of blood flow through the heart starting from the right atrium?

• Right atrium, right ventricle, pulmonary artery, lungs

• Right atrium, left atrium, left ventricle, aorta

• Right atrium, left ventricle, aorta, body

• Right atrium, right ventricle, aorta, lungs