Function of the heart Flashcards
1
Q
What is the cardiac cycle?
A
A sequence of events that occur when the heart beats.
2
Q
What are the two phases of the cardiac cycle?
A
Diastole and systole
3
Q
What happens during diastole?
A
During diastole the heart ventricles are relaxed
4
Q
What happens during systole?
A
The ventricles contract
5
Q
What is the definition of systole?
A
It is a phase of the heartbeat when the heart muscles contract and pump blood from the chambers into the arteries.
6
Q
What is the definition of diastole?
A
The part of the heart beat when the heart muscles relax and allows chambers to fill with blood
