Essay for medical students on Involuntary Activities of the Human Body. In the human body, or, for that matter in the body of any living being there are two kinds of activities…
The question is to be of the world and still be out of it. Sounds paradoxical. The religion as propounded by Guru Nanak and the later gurus does not reconcile people to poverty, misery, hunger and disease.
Copper is widely distributed in nature. The tissues of the body contain it in traces but the highest amount is found in the brain and liver. The mount found in adult body is about 100mg.
Iron is the chief among the trace elements required for the body. The total content of iron is very small in the body. In an adult it is approximately 3 to 5 gm.
The mount of magnesium present in the body is less than that of calcium and phosphorus. About 20-30gms of it are found in an average adult. Sixty per cent of it fund on bone surfaces in the form of phosphates and carbohydrates.
Manganese is trace element which is required in small amounts in the diet. It is poorly absorbed from the small intestine. Manganese is transported by the blood as a loosely bound protein compound known as transmanganin.
Phosphorus is an important constituent in every body tissue. The total amount constitutes about one per cent of the body weight.
Proteins play a vital role in the nutrition of an organism. They are necessary for carrying out a number of essential body functions that have already been discussed in the earlier chapter.
Under-nutrition is the form of malnutrition which is wide spread in the developing countries with large population and low economic strata.
Vitamin A plays an important role in normal vision. It is found in the retina in the form of visual pigments in the photoreceptor system of rods and cones.