Question

explain cardiac cycle ???????​

Answer 1

$\large\mapsto\boxed{\sf\purple{Answer♡}}$

The cardiac cycle is the performance of the human heart from the ending 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, following a period of robust contraction and pumping of blood, dubbed systole.

Answer 2

$\huge\underline{\overline{\mid{\bold{\red{❥ᴀɴʂᴡҽʀ᭄ }}\mid}}}$

The cardiac cycle is the performance of the human heart from the ending 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, following a period of robust contraction and pumping of blood, dubbed systole.