Feeding

The human being is a machine, as any other one, needs energy to develop the most diverse activities - to work, to practise sport, to walk, to speak, to sleep, etc. It's mainly through the feeding that we get the energy we need. But, before starting a diet to lose some weight, it's important to know certain organic mechanisms. Tthe metabolic processes have a special interest, when we talk about diets.

The metabolism can be defined as the set of chemical reactions that occur in the formation, activity, and death of the cells of the human body. Basically it consists of the decomposition or the sintetização of complex substances in simple substances, occurring generally energy release. In the first case, it is assigned of catabolism; in as, of anabolism. Exactly in rest, to function, our organism consumes energy, of form to keep the cardiac strokes, the temperature of the body and the breath - it is the call basal metabolism.

It wants the energy that provém of the feeding wants that one that we spend to execute the diverse activities of ours day-by-day are measured in units, to which if it stipulated to call quilocalorias (although vulgarly the term calorie to be used as quilocaloria equivalent, the truth is that this last unit represents 1000 calories). It is to enhance that the energy consumption increases having in account diverse factors, wants of physical order wants psychological - as the effort, the illness, the fatigue, the fear, the anxiety, the depression or stress.

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