Question

❣️Hlo❣️

✨Explain cardiac cycle ?

【5 marks question】

Answer 1

Hi here is your answer
The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the beginning of the next. It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, followed by a period of robust contraction and pumping of blood, dubbed systole. 

Duration: 0.6–1 second (Humans)

Biological system: Circulatory system

Frequency: 60–100 per minute (Humans)

Action: Involuntary

Please mark as brainlist
and follow me

Answer 2

The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to next. It consists of two periods.
one during which heart muscles relaxes and refills with blood called diastole followed by a period of robust contraction and pumping of blood.