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To solve this question you want to do it step by step.
Firstly replace the 'a' with '4' and calculate the first part of the sum. 4 multiplied by 4, which is 16.
Next replace 'b' with '3' an...

Both aldosterone and cortisol are produced in the adrenal cortex of the adrenal gland (which are situated above the kidneys on either side of the body). 

Aldosterone is a mineralocorticoi...

In literary analysis, it can be tricky to see what you should be looking for. Yet, consistently, we analyse without realising it. When reading a newspaper article, we interpret meaning, and a sophistic...

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 ...

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, ...