write about nutrition of human beings(17 points please )
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Answers
Nutrients are substances in food that support the human body and enable it to function. Most of the food you eat is composed of carbohydrates, protein and fat. The nutrients that are needed in small amounts but are still vital are vitamins and minerals. They are composed of fiber and water. Our diet should contain a variety of foods, these foods can provide sufficient amounts of all essential nutrients. This diet is called a balanced diet. Let's take a look at the human diet. Complex carbohydrates, especially starches, are found in foods such as pasta, bread, rice, potatoes and grains. Starch is broken down during digestion.Trace amounts of vitamins and minerals are essential for maintaining a strong immune system, strengthening bones and muscles, and promoting normal growth and development. Most vitamins come from fresh fruits and vegetables, and some are also found in fish, meat and dairy products. Minerals such as calcium and iron also contribute to the best function of the body. The best sources are vegetables, dairy products, meat and some fish. Dairy products, meat, seeds and nuts contain fats such as vegetable oils. Fat is digested into fatty acids, and fatty acids are a source of energy and form cell membranes under the skin, which can be converted into fat, thereby keeping the body warm and isolated. Rich sources of protein include fish, meat, chicken and beans. Digestible protein provides amino acids to the body. Cells assemble these building blocks into various proteins to construct, for example: B. Enzymes and many other functions.About 50-70% of our body is made up of water, so this amount must be kept in the body at all times. Water is the only medium for transporting all essential nutrients, vitamins, minerals and other substances. Human waste plays an important role. Play a role in regulating body temperature. It is converted into the simple sugar glucose, which is the main energy source of the human body.
Answer:
humans gets nutrition by the food they eat
and the amount of nutrition depends on how nutricious tha food is.