What is cholesterol – Cholesterol definition and concept?

Cholesterol – a lipid (fat), which is mainly produced in the liver and is crucial for the proper functioning of organism.
Cholesterol is present in the outer layer (plasma membrane) of every cell in our body and has many functions.
This waxy steroid and is transported in the blood plasma of all animals.
This is the main styrene synthesized animals, but small amounts are also synthesized in plants
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