What are fats?
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Fat is one of the three main macro-nutrients other than carbohydrate and proteins. Most fats that are ingested by human are triglycerides. Fats are mostly made up by three elements: C(Carbon), H(Hydrogen), O(Oxygen). There are three kinds of fat: Monounsaturated fats, Polyunsaturated fats, and Saturated Fat.
Where do fats come from?
Among the three kinds, Monounsaturated fats and Polyunsaturated fats are healthy fats where Monounsaturated fats come from nuts, olive oil, vegetable oil, sunflower oil, avocado, etc. and Polyunsaturated fats mostly comes from fish such as salmon, mackerel, herring and trout, corn oil, soybean oil.
Saturated Fats mostly comes from pizza, cheese, fatty meats and butter; they are all commonly known as unhealthy fats.
What do fats do in the human body?
Even though excessive amount of fat often cause all different kinds of problem and diseases, fat is an necessary part of human body. It stores energy, which are necessary for human to function daily. Fats also acts as messengers which helps proteins to do their jobs, they are also an essential part of the chemical reactions for growth, immunization, and reproduction.
How are fats processed?
The digestibility of the different kinds of fats depend on the fusing point/melting point of it; the lower the fusing point, the easier it can be processed. Fats are being absorbed in the small intestine with the help from the gall bladder. After the fats are broken down, they will be stored all over the body like under your skin surface, in blood, etc..