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Diagrams showing  the parts of our heart.

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Fun explanation on blood vessels.

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Pulse, rhythmic dilation of an artery generated by the opening and closing of the aortic valve in the heart. A pulse can be felt by applying firm fingertip pressure to the skin at sites where the arteries travel near the skin's surface; it is more evident when surrounding muscles are relaxed.

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First of all......WHAT IS A CELL? Click below to find out more about cells

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First of all......WHAT IS A CELL? Click below to find out more about cells

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Here we learn about the basic unit of life