Class 10 Biology Quiz: Human Heart – Structure and Function Welcome to your Class 10 Biology Quiz: Human Heart – Structure and Function Name Email 1. What is the primary function of the human heart? Deselect Answer a) To produce oxygen b) To pump blood throughout the body c) To digest food d) To remove waste from the body None 2. How many chambers does the human heart have? Deselect Answer a) 2 b) 3 c) 4 d) 5 None 3.Which valve is located between the left atrium and the left ventricle? Deselect Answer a) Tricuspid valve b) Pulmonary valve c) Bicuspid (Mitral) valve d) Aortic valve None 4.What is the function of the pulmonary artery? Deselect Answer a) Carry oxygenated blood from the heart to the body b) Carry deoxygenated blood from the heart to the lungs c) Carry oxygenated blood from the lungs to the heart d) Carry deoxygenated blood from the body to the heart None 5.Which blood vessels return oxygenated blood from the lungs to the heart? Deselect Answer a) Pulmonary veins b) Pulmonary artery c) Aorta d) Vena cava None 6.What is the natural pacemaker of the heart called? Deselect Answer a) AV Node b) Bundle of His c) Sinoatrial (SA) Node d) Purkinje fibers None 7.Which large blood vessel carries oxygenated blood from the left ventricle to the rest of the body? Deselect Answer a) Vena cava b) Pulmonary artery c) Aorta d) Coronary artery None 8.Which type of circulation involves blood flow from the heart to the lungs and back to the heart? Deselect Answer a) Vena cava b) Pulmonary artery c) Aorta d) Coronary artery None 9.Which part of the heart pumps deoxygenated blood to the lungs? Deselect Answer a) Left atrium b) Left ventricle c) Right atrium d) Right ventricle None 10.How long does one complete cardiac cycle typically take in a healthy human heart? Deselect Answer a) 0.5 seconds b) 0.8 seconds c) 1.2 seconds d) 2.0 seconds None Please fill in the comment box below. Congrates! for attempting the quiz