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Describe the roll of kupffer cells in the liver

Kuppfer cells are a specialised type of macrophage. They travel within the sinusoids of the liver and breakdown and recycle old red blood cells. Red blood cells contain heamoglobin, and when haemoglobin is b...
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Answered by Aiman J. • Biology tutor
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How do I improve my essay writing?

It was only at university level that I learned to write a high quality essay. I now abide by the following: - Structure: most students know that an essay should have a beginning, middle, and end. But it's ea...
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Answered by Tallulah G. • English tutor
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Why may a rise in testosterone above normal cause a subsequent decrease in the hormone?

This is a question from the AQA June 15 Biology A level past paper. Short answer: Raised testosterone causes a physiological decrease in GnRH as well as LH and FSH via negative feedback. Detailed answer: To ...
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Answered by Dhiluni K. • Biology tutor
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How do I tackle interview questions that ask me for an example where I showed a particular skill?

Whether panel interviews or MMIs, medical school interviews will almost certainly invovle "behavioural questioning" style questions. These questions ask you to draw on an experience from the past t...
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How do I solve 3x + y = 11 & 2x + y = 8?

In order to solve this set of simultaneous equations, we will rearrange each equation to use substitution. The aim of this problem is to find out what the value of x and y is. Let's rearrange equation 1 and ...
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Answered by Naomi O. • Maths tutor
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