#1
Which blood vessels carry oxygenated blood away from the heart?
#2
What is the average resting heart rate for adults?
#3
What is the role of the sinoatrial (SA) node in the heart?
#4
Which component of blood is responsible for clotting and preventing excessive bleeding?
#5
What is the term for the contraction phase of the heart's pumping action?
#6
What is the primary function of red blood cells?
#7
Which chamber of the heart pumps oxygenated blood to the body?
#8
Which hormone is responsible for increasing heart rate and blood pressure during the 'fight or flight' response?
#9
What is the medical term for a heart attack?
#10
Which blood type is known as the universal donor?
#11
What is the function of the pericardium?
#12
What is the purpose of the valves in the heart?
#13
What condition results from a blockage in the coronary arteries, reducing blood flow to the heart muscle?
#14
Which blood vessels have the thinnest walls, allowing for the exchange of nutrients and gases with tissues?
#15
What is the term for the force exerted by blood against the walls of the arteries?
#16
Which condition is characterized by an irregular and rapid heartbeat?
#17