The body uses various organs and chemicals to break down food. The breakdown of food he...
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...ng necessary nutrients, such as stomach acid and saliva. The body also uses a waste system to take out the bad stuff in the body that cannot be used as nutrients or energy. Human beings, and all animals from the tiniest insect to the world’s largest mammal, must remove and dispose of wastes from their bodies. Separate systems work on gaseous, liquid, and solid waste. Waste excretion in living things helps maintain homeostasis which supports the basic ability to survive. There are many systems in the human body, from the circulatory which regulates blood flow throughout the body, to the nervous system and muscular system. Each system has its specific function and purpose in the body. However, it is fair to say that the digestive system, with all its necessary organs, enzymes, chemicals and processes is truly one of the most important systems in the human body.
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- The digestive system is a myriad of organs functioning together to turn food into energy and basic nutrients to nourish the whole body. Food passes through a long tube on the inside of the body which is known as the alimentary canal or the gastriontestinal tract. Digestion begins in the mouth. The process begins way before food comes in contact with the stomach. When a smell that pleases our senses (smell, taste or imagining a delicious snack) the salivary glands, which are below the tongue and near the mandibular jaw, start producing saliva.... [tags: Digestion, Digestive system, Nutrition, Stomach]
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