1.

Define human heart syatem?

Answer» It is like a pump which has four chambers- 1 left auricle 2 right auricle 3 left ventricle 4 right ventricle.The pure blood comes in the left auricle from the lungs and the impure blood comes to the right auricle from different parts of the body the auricle when contracts the blood goes to the respective ventricles through aviaculture thats all


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