Explain the cardiac cycle.
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you should look for the explanation on YouTube, as it won't easy for you to understand just by reading
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Step 1 : First Diastole
De-Oxygenated blood from Superior and Inferior Vena cava flows into right atrium. The atria contracts and the blood flows into the right ventricles through the open atrioventricular valves. The tricuspid valve prevents back flow of blood.
Stage 2 : First Systole
The right ventricle contracts and the de-oxygenated blood flows through the arteries into the lungs. The blood absorbs oxygen and is brought through veins to the left atrium
Stage 3 : Second Diastole
The oxygenated blood from the left atrium flows into the left ventricle. The mitral valve prevents back flow.
Stage 4 : Second Systole
Oxygenated blood is pumped from the left ventricle through the aorta through various parts of the body
De-Oxygenated blood from Superior and Inferior Vena cava flows into right atrium. The atria contracts and the blood flows into the right ventricles through the open atrioventricular valves. The tricuspid valve prevents back flow of blood.
Stage 2 : First Systole
The right ventricle contracts and the de-oxygenated blood flows through the arteries into the lungs. The blood absorbs oxygen and is brought through veins to the left atrium
Stage 3 : Second Diastole
The oxygenated blood from the left atrium flows into the left ventricle. The mitral valve prevents back flow.
Stage 4 : Second Systole
Oxygenated blood is pumped from the left ventricle through the aorta through various parts of the body
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