Anatomy And Physiology Flashcards
(5 cards)
1
Q
Myogenic
A
The capacity of the heart to generate its own impulses
2
Q
Sinoatrial node (SAN)
A
A small mass of cardiac muscle found in the wall of the right atrium that generates the heartbeat. It is more commonly called the
3
Q
Atrioventricular node (AVN)
A
This node relays the impulse between the upper and lower sections of the heart
4
Q
Systole
A
When the heart contracts
5
Q
Bundle of his
A
A collection of heart muscle cells that transmit electrical impulses from the AVN via the bundle branches to the ventricles