Cardiac Cycle Flashcards
Give another word for the term ‘diastole’
Dilation
Give another word for the term ‘systole’
Contraction
What happens during diastole?
Blood returning to the atria flows into the ventricles
What valves are open during diastole?
The atrioventricular valves
What valves are closed during diastole?
Semi-lunar valves
What happens during atrial systole?
Blood in the atria is transferred into the ventricles
What valves are open during atrial systole?
Atrioventricular valves
What valves are closed during atrial systole?
Semi-lunar valves
What is ventricular systole?
Blood is pumped out of the ventricles into the aorta and the pulmonary artery
What valves are open during ventricular systole?
Semi-lunar valves
What valves are closed during ventricular systole?
Atrioventricular valves
What valves make the first ‘lub’ sound in a heartbeat?
The atrioventricular valves
What valves make the second ‘dub’ sound in a heartbeat?
The semi-lunar valves
The heart beat originates in the heart itself, meaning that it is _____
Myogenic
The heart can be affected by both..
Hormonal and nervous control
