Wednesday, November 20, 2013

explain what each main food component is used/needed for in the human body:Include:- - carbohydrate - protein - fat - vitamins - minerals

Carbohydrates are found in sugary and starchy foods. They
contain the building block glucose. Glucose is an important monosaccharide which
provides the body with energy. Excess glucose can be converted into glycogen and stored
in the liver until needed. Protein consists of amino acids. These are important for
building muscle tissue; proteins are in our cell membranes and make up hormones and
enzymes in the body. Fats contain fatty acids and glycerol. Fats are needed for the
nervous system to properly function and the reserve of fat beneath the skin is for
insulation and stored energy. Vitamins, which are organic compounds, are considered
coenzymes and assist enzymes in the chemical reactions in our bodies. A deficiency can
lead to a disorder or nutritional disease. For example, a deficiency of Vitamin C can
lead to scurvey, a disease that weakens capillaries in the body. Minerals are necessary
inorganic elements necessary to maintain optimal health. For example, iron is necessary
to produce hemoglobin, a transport pigment in the red blood
cells.

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