“About Immunity and Different Types of Immunity”

Immunity is described as the ability of the body to resist or to recover from the invasion of disease-causing microbes (bacteria, viruses, protozoans) and larger parasites (helminths). Thus a person said to be immune to a particular disease would not contact it although others might do so. Microbes and parasites cause several diseases in man. …

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“Functions of Vitamins”-vitamins for children

Just as carbohydrates, Proteins, inorganic salts, fats, and water are the important parts of our food, vitamins are also necessary to keep the body in good health. Lack or deficiency of vitamins can cause many diseases and disorders like a loss in digestive power, weakening of eyesight, dryness of skin, tiredness, general weakness, beriberi, rickets, …

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