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www.reference.com/article/digestion-start-75a6afc1fbe6f4ee

According to Branch Basics, digestion begins in the mouth when the process of chewing starts. Salivary glands will secrete a mucus, which assists in lubricating the food before swallowing.

www.reference.com/science/digestive-system-8f52c91c01452796

The digestive system helps the body break down food, so nutrients can be used for cell repair, growth and energy. The digestive system is also responsible for storing and excreting solid wastes.

www.reference.com/article/long-digestion-56311c0c9703eec

The amount of time that digestion takes varies from person to person, but on average it takes around 33 to 50 hours. It takes 6 to 8 hours for food to pass through the stomach.

www.reference.com/article/digestion-necessary-ac51cf8eb1bf6d96

Digestion is the process by which the body obtains nutrients from the environment, notes Wikipedia. Without these nutrients, a living body would gradually run out of the energy necessary to maintain health. Eventually, a body that can no longer digest food starves to death.

www.reference.com/article/importance-probiotics-digestion-6a24e8c492b499a9

Probiotics help in fighting off potentially dangerous organisms in the intestine and reduce the likelihood of infections from ingested toxins, according to Joyce Killian for Life Extension. Probiotics have also been shown to promote the healthy functioning of the intestinal inner lining, which acts

www.reference.com/science/chemical-digestion-2804a515a583420f

Chemical digestion is the process by which food is broken down and has most of its nutrients extracted. It is distinct from mechanical digestion, which is the physical breakdown of food as it is chewed.

www.reference.com/article/basics-digestion-process-168841b55eb8f9a1

The human digestive system begins in the mouth and ends at the anus. Enzymes in saliva break food down into smaller particles in the mouth. Food is then swallowed and goes through the digestive tract before leaving the bottom through the rectum and anus.

www.reference.com/article/easy-digest-foods-f73b3d9e21baa6ad

Easy-to-digest foods include refined breads and pastas; well-cooked or canned vegetables without seeds; ripe bananas or canned fruits without seeds and skins; and animal products such as meat and eggs, states WebMD. Dairy is also easily digestible but can cause diarrhea and cramping in some people.

www.reference.com/article/must-food-digested-875ddfae5c8a4f5a

Digestion is the process that breaks food down into the molecules that the body needs for all of its metabolic processes. Food is the body's fuel source and the source that the body's molecules and cells use to build and repair the body, but the body cannot use the food unless it has been digested.

www.reference.com/article/stages-digestion-45da6970747e5565

The stages of digestion in a human being are the cephalic phase, the gastric phase and the intestinal phase. During these phases, nutrients are broken down to provide fuel for the body.