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How is an electrical impulse transmitted through the heart?

Contraction of the heart is myogenic meaning it initiates from within the heart muscle itself (myo=muscle, genic= created). Therefore, no extra nerves need to signal the heart to contract which is important ...
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Answered by Rebecca Z. Biology tutor
19768 Views

Factorise and solve x^2 - 8x + 15 = 0.

The easiest way to solve this problems it via trial and error. For any quatdratic (a x 2 + bx + C = 0) , the coeficcent of x, (in this case b = 8) is the sum(+) of the two solutions and c is the product( ). ...
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Answered by Dominic M. Maths tutor
5794 Views

Don't know how to write a good essay?

I am a History Undergraduate at Durham and studied History A Level at City of London School for Girls, giving me a pretty good idea of how to both write, and teach others to write a good essay. I won the Cor...
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Answered by Hannah C. History tutor
4072 Views

Don't know where to start?

I have experience in helping people start their personal statements from scratch, as well as knowing how to put the final touches to a solid PS. I myself have had personal statement advice and tutoring from ...
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4333 Views

Which medical schools should I apply for?

There are significant differences between medical schools in what they offer, teaching styles and entrance requirements so it is important to use your 4 choices wisely. There are 3 main factors to consider: ...
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3193 Views