Biology, asked by Anonymous, 7 months ago

What is the difference between systole and diastole ? Please write three short points ¿?


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Answers

Answered by llɱissMaɠiciaŋll
7

Explanation:

Systole

(1) The contraction of cardiac (heart) chambers is called systole.

(2) Blood is pumped out of the cardiac chambers.

(3) The valves are closed to prevent back flow.

Diastole

(1) The relaxation of cardiac (heart)chambers is called diastole.

(2) Blood is received in the cardiac chambers.

(3) The valves are opened to allow entry of blood.

Answered by Anonymous
8

1. Systole occurs when the heart contracts to pump blood out

diastole occurs when the heart relaxes after contraction.

2. The top number is the maximum pressure your heart exerts while beating (systolic pressure).

The top number is the maximum pressure your heart exerts while beating (systolic pressure).

3. The systole is the part of the cardiac cycle during which some chambers of the heart muscle contract after refilling with blood

Diastole is the part of the cardiac cycle during which the heart refills with blood after the emptying done during systole.

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