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What is meant by the term stroke volume?

Stroke volume is the amount of blood, in one contraction, that is pumped from the left ventricle of the heart. The normal range for this is 50-100ml.
LK
Answered by Livia K. • Biology tutor
4764 Views

'Stevenson presents Silver as wholly amoral and unlikeable'. How far do you agree with this statement?

The writer’s depiction of Silver as a foil to the novel’s thematic backdrop of duty and honour prevents the reader from being able to see him as possessing any sense of morality. Jim compares Silver to a ‘ch...
HC
Answered by Harry C. • English tutor
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What is a boson, as described by the standard model?

A boson is a "force-carrier": a particle that corresponds to one of the fundamental forces of nature. There are four fundamental forces, which include: Gravity, Electromagnetism, Weak Nuclear Force...
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Answered by Lewis L. • Physics tutor
3131 Views

How do you form the subjunctive of an -er verb?

In order to find the subjunctive of an -er verb, you first have to know how to conjugate them in the indicative. So let's take the verb "aimer", to love. First, you have to find the ils (or third-p...
CG
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How do we use the Chain-rule when differentiating?

The Chain-rule is used to differentiate a function of a function. Running through an example:Let's say want to differentiate the function y = (2x+1)^3. We can substitute a variable, w, in order to differenti...
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Answered by Hira R. • Maths tutor
5006 Views