The cardiac cycle.
Cardiac Cycle
Cardiac Cycle
One Heartbeat was created in 1986.
No...heartbeat is one word.
Arrhythmia
arrythmyia
It is called Systole.
One complete up and down movement of a wave is called a cycle.
'In the House in a Heartbeat' written by John Murphy.
One complete round of Earth on its orbit around the Sun is called a "year." It takes approximately 365.25 days for Earth to complete one orbit.
They are called Lubb Dubb
systole