a thump thump
Nick Berry.He also starred in it in the first episodes.
Heartbeat is also known as pulse or cardiac cycle.
Arrhythmia
It is called Systole.
arrythmyia
'In the House in a Heartbeat' written by John Murphy.
They are called Lubb Dubb
systole
There are several nerves that regulate the heartbeat. The heartbeat starts when a signal is given off from the SA node. The main nerves in the heart are called the Purkinje Fibers.
It is called a Irregular heartbeat.
The relaxation phase of the heartbeat is called diastole. During diastole, the heart ventricles relax and fill with blood in preparation for the next contraction.
This instrument is called a stethoscope.