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P wave - atrial systole. This is when both atria of the heart contract, to force blood from the atria to the ventricles. The valves that separates the left atrium and the left ventricle i...

The transition from childhood to adulthood is a tumultuous and life defining phase of anyone’s life. This naturally proceeds with a person making mistakes, hurting, learning and eventually maturing - but ...

Macbeth is first presented as a rather violent person who is very dauntless. In Act 1 Scene 2 the Captain describes the way he kills Macdonald: “Till he unseamed him from the nave to the chops”. The word ...

In a vacuum (no air):

-Both boxes fall at the same rate and hit the ground at the same time.

-Gravity accelerates all objects equally at 9.8 m/s², regardless of mass.

In re...