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Describe the cardiac cycle, including all the relevant electrical and valvular events.

Starting in the right atrium, the sinoatrial node (SAN) will send a signal to contract both atria, opening the atrioventricular valves (tricuspidand bicuspid/mitral) and forcing blood in to both ventricles. ...
KA
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Differentiate the function f(x) = x^2 * e^2x with respect to x

l e t u = x^2 let v = e^2x du/dx = 2x dv/dx = 2e^2x d/dx = v du/dx + u dv/dx = 2x e^2x + 2x^2 e^2x Therefore d/dx = 2x*e^2x * (1 + x)
ES
Answered by Evan S. • Maths tutor
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What is the significance of the colour 'red' in Steinbeck's 'Of Mice and Men'?

The colour red was used to symbolise Curley's wife. It is described that her nails, dress and other physical characteristics as being red. This portrays her character as perhaps being quite promiscuous and o...
PB
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What causes a heart attack (also known as mycocardial infarction) and how are they treated?

During an individuals life arteries become covered in fatty plaque deposits. This causes the the inside (lumen) of the arteries to narrow. This narrowing increases the likelyhood of blockage of platelets and...
SC
Answered by Saskia C. • Biology tutor
3904 Views

Discuss factors influencing conformity

Conformity is when an individual identifies with an ingroup and conforms to the behaviour that is the typical group norm. By doing this, the individual increases the similarity between ingroup members. One k...
JD
Answered by Jemma D. • Psychology tutor
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