WebSep 12, 2024 · Metabolism refers to the whole sum of reactions that occur throughout the body within each cell and that provide the body with energy. This energy gets used for vital processes and the synthesis of new … WebChemically, the human body consists mainly of water and of organic compounds —i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in the extracellular fluids of the body (the blood plasma, the lymph, and the interstitial fluid) and within the cells themselves. It serves as a solvent without which the chemistry of life ...
Physiology, Metabolism - StatPearls - NCBI Bookshelf
The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, … See more Digestion is important because your body needs nutrients from food and drink to work properly and stay healthy. Proteins, fats, carbohydrates, vitamins NIH external link, minerals NIH external link, and water are nutrients. Your … See more Each part of your digestive system helps to move food and liquid through your GI tract, break food and liquid into smaller parts, or both. Once foods are broken into small enough parts, your body can absorb and move the … See more As food moves through your GI tract, your digestive organs break the food into smaller parts using: 1. motion, such as chewing, squeezing, and mixing 2. digestive juices, such as stomach acid, bile, and enzymes … See more Food moves through your GI tract by a process called peristalsis. The large, hollow organs of your GI tract contain a layer of muscle that enables their walls to move. The … See more WebMar 6, 2024 · food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion. jeanne maiden naccarato
Metabolism and weight loss: How you burn calories - Mayo Clinic
WebSep 1, 2024 · Processed foods refer to any food that’s changed from its natural state. This can include food that was simply cut, washed, heated, pasteurized, canned, cooked, … WebMay 14, 2024 · However, chemically processed foods, also called ultra-processed foods, tend to be high in sugar, artificial ingredients, refined carbohydrates, and trans fats. WebFor instance, digestive system organs cooperate to process food. The survival of the organism depends on the integrated activity of all the organ systems, often coordinated by the endocrine and nervous systems. Introduction If you were a single-celled organism and you lived in a nutrient-rich place, staying alive would be pretty straightforward. jeanne macleod mata hari