At the conclusion of this chapter, students will be able to
Vitamins are organic compounds obtained mostly from outside the body. Vitamins do not provide energy. There are two broad categories of vitamins:
Fruits, dark leafy vegetables and animal products are good sources of vitamins. Deficiencies in vitamins may lead to specific diseases. For example rickets (vitamin D deficiency), scurvy ( vitamin C deficiency), anemia ( folic acid deficiency), night blindness ( vitamin A deficiency).
Minerals are inorganic compounds not synthesized by the body; They are needed in very small quantities but possibly essential. Minerals are important for biochemical processes and formation of cells and tissues. Both plant and animal products are good sources of minerals. Deficiencies in minerals are associated with specific diseases. For example, anemia (Iron deficiency), goiter (iodine deficiency), and bone and teeth conditions ( calcium deficiency).
Water is the main component of the body (60 percent of body mass) . Water is needed for digestion, absorption, and other body functions. Water is regularly lost through sweating, excretion, and breathing