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Explain what is meant by 'homeostasis' and give an example of this process in the human body.

Homeostasis is the process of maintaining a constant internal environment in the body. An example of this is maintaining the temperature of the body. Human body temperature must be maintained at 37ºC as this...
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Answered by Oli W. • Biology tutor
24497 Views

How do you use derivatives to categorise stationary points?

When investigating graphs, you will often be asked to pick out features of the graph; stationary points being the most popular. You will need to know that a stationary point on f(x) can be found by solving t...
AW
4584 Views

How can I bring my controlled assessment work up to an A-grade?

In both writing and speaking assessments, you need to ensure your content has good flow and ticks certain boxes that the examiner is looking for - for example have you used the correct form of the past tense...
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Answered by Isabella L. • Spanish tutor
2246 Views

How is crude oil separated into fractions?

Crude oil is composed of many hydrocarbons . The crude oil is heated to evaporate it and the vapour rises. There is a temperature gradient up the column (hotter at the bottom, colder at the top). The differe...
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Answered by Daisy D. • Chemistry tutor
3816 Views

What is the difference between a sprain and a strain?

A sprain is a torn ligament occuring around a joint. A common example is a sprained ankle. Where as a strain is a torn muscle or tendon. For example a pulled hamstring.
OC
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