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Explain what the P wave, QRS complex and T wave mean on an ECG?

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...

AG
Answered by Ankit G. Biology tutor
8680 Views

Compare the presentation of Macbeth to Lady Macbeth

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 ...

IR
24922 Views

If a box full of feathers and a box full of bricks were to be dropped at the same time and from the same height, which one would hit the ground first?

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 real-wor...

AY
15247 Views

What is a mole and the calculations used to find the number of moles?

A mole in chemistry is a unit of amount. Similar to saying a dozen is 12, a mole is 6.022x10^23 atoms, conveniently called Avogadro's number. If we take one mole of carbon atoms, this is equal to a mass o...

TD
4331 Views

What is the Moho?

The Moho is the Mohorovicic Discontinuity. A seismic discontinuity is a boundary between 2 layers with different properties. The Mohorovicic discontinuity (Moho) is the crust - mantle boundary (within th...

AK
Answered by Alex K. Geology tutor
3182 Views

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