#1
Which chamber of the heart receives oxygen-rich blood from the lungs?
#2
Which blood vessels carry oxygenated blood away from the heart?
#3
What is the approximate size of a human heart?
#4
Which layer of the heart is responsible for the contraction and pumping action?
#5
Which of the following is NOT a major blood vessel connected directly to the heart?
#6
Which side of the heart pumps blood to the lungs for oxygenation?
#7
What is the main function of the heart's atria?
#8
Which valve prevents the backflow of blood from the left ventricle to the left atrium?
#9
Which part of the heart is responsible for generating electrical impulses that regulate the heartbeat?
#10
What is the primary function of heart valves?
#11
What is the average resting heart rate in adults?
#12
Which chamber of the heart pumps oxygenated blood to the rest of the body?
#13
What is the medical term for a heart attack?
#14
Which coronary artery supplies blood to the left side of the heart?
#15
What is the medical term for an abnormally fast heart rate?
#16
What is the medical term for inflammation of the heart muscle?
#17
Which hormone regulates blood pressure and sodium balance and is produced by the heart?
#18