Question

Hola Brainlians !!!

Explain the following terms :-

1) Joint Diastole

2) Atrial Systole

Class - 10th
Chapter - Life Processes.

[ Word limit for each term is 50 words ] ​

Answer 1

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1) Joint Diastole

Joint diastole is the process in which blood from great veins and coronary flow into the atria. In this process the cardiac cycle is finished within 0.8 seconds. Cardiac output:- It uses the amount of blood pumped from the left ventricle into the systemic aorta within one minute. It is also called minute volume.

2) Atrial Systole

At the start of the cycle, during ventricular diastole–early, the heart relaxes and expands while receiving blood into both ventricles through both atria; then, near the end of ventricular diastole–late, the two atria begin to contract (atrial systole), and each atrium pumps blood into the ventricle below it.

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Answer 2

Required Answer:-

Joint Diastole:

Joint Diastole is a situation or phase or cardiac cycle when four chambers of Human heart are in relaxed state (diastole).

• During this phase of cardiac cycle, Blood flows through veins which enters in auricles where the pressure of ventricle decreases and it becomes less than arterial pressure.
• In joint Diastole, a cardiac cycle takes place within 0.8 seconds.

Atrial Systole:

Atrial systole is a situation or phase of cardiac cycle where left and right atrium both contracts at the sam time and passes the blood in the left and right ventricles.

• The contraction in both left and right atrium at the same time increases the pressure.
• Atrial systole increases pressure in atrium and ventricles.