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A Level Biology help !

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    Hello, I am currently doing my online biology paper and it is going well apart from this one question that I have been stuck on for days! Any help is appreciated!

    The question is: Explain how the formation and absorption of tissue fluid occurs, referring to the processes of hydrostatic and osmotic pressure in a capillary bed. (Explain the role of hydrostatic and osmotic pressure in the formation and re-absorption of tissue fluid) I understand that starvation is one of the causes, and trying to explain what is osmotic pressure and hydrostatic pressure, but everything is so confusing! Can anybody help? Thank you so much in advance!
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