Question

plz explain the cardiac cycle in easy way

Answer 1

the cardiac cycle is sequence of events that occur when heart beats.

Answer 2

The cardia cycle is the performance of the
human heart from the beginning of one
heartbeat to the beginning of the next. It

onsists of two periodst one during which the
heart muscle relaxes and refills with blood
called diastole ) followed by
a period of robust contraction and pumping of
blooda dubbed systole (SIS-toe-lee). After
emptyin9, the heart immediately relaxes and
expands to receive another influx of blood
returning from the lungs and other systems
of the body, before again contracting to pump
blood to the lungs and those systems. A

or heartbeat takes about o.8 seconds to


ormally performing heart must be fully

expanded before it can efficiently pump again.
Assuming a healthy heart and a typical rate of
70 to 75 beats per minute, each cardiac cycle,