Question

what is cardiac cycle ?explain the sequential steps in the cardiac cycle with the help of a flow chart
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Answer 1

answer   =

• cardiac cycle means time taken by heart to ending of one heart beat to starting of next  heartbeat
• as we know heart is myogenic in nature and it works continously throw out the life heart get relax  simultaniously for  fraction of seconds
• our heart beats 72  to 75 /min times
• in our heart their are several valves which are play very important role in cardiac cycle . Genarally valve performs the function of preventing back flow of blood
• their are important 4 events in cardiac cycle that are  
• atrial systole
• atrial diastole
• ventricular systole
• ventricular diastole

• Our heart has 4 chamber the right ventricle pump deoxygenated blood while left ventricle carry oxygenated blood
• The cardiac cycle initate during atrial systole becoz  SA node is there which start the cardiac events
• atrial systole is for 0.1 sec in which tricuspid and bicuspid valves are open
• here are timings takes for  complete the events
• atrial systole =0.1
• atrial diastole =0.7
• ventricular systole = 0.5
• ventricular diastole =0.3

Answer 2

Cardiac Cycle is the cyclic event that occurs in the heart contraction and relaxation.

Explanation:

• Heart is the blood pumping organ of our body.

• It pumps blood all over the body by its strong muscles.

• The heart muscles are contracting and relaxing at regular intervals of time which leads to a rhythm of blood pushing through heart.

• The events of heart contraction includes

• A. Arterial systole,
• B. Ventricular diastole,
• C. Ventricular Systole and
• D. Arterial diastole.

• The arterial systole leads to pushing of blood to ventricle through auriculoventricular valves.

• The Ventricular systole leads to the pushing of blood from ventricles into aorta and pulmonary artery.

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What is cardiac cycle? - Brainly.in