Question
What is cardiac cycle? Write the difference between right ventricle and left ventricle.

Answer

Cardiac cycle : Various sequential events occurring between the beginning of one heart beat and the beginning of the next heart beat are called heart cycle or cardiac cycle.
Differences between right ventricle and left ventricle
S.No.Right ventricleLeft ventricle
1. The right ventricle is smaller than the left ventricle. The left ventricle is comparatively larger than the right ventricle.
2. Moderator band (also known as septomarginal trabecula) present. Lack of moderator band.
3. Receives and pushes (sends) de-oxygenated blood. Receives and pumps oxygenated blood.
4. Its wall is thinner than the wall of the left ventricle. Shape : Crescent. The wall of the left ventricle is thicker than the wall of the right ventricle. Shape : Biconvex.

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