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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/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/article/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/function-bile-digestive-process-8894ab8a7e01c08b

The primary purpose of bile in the digestive process is to facilitate the digestion and dispersion of consumed fats. According to the Encyclopedia Britannica, this takes place in the lumen of the small intestine.

www.reference.com/article/describe-process-chemiosmosis-c2ac39ab00baa783

Chemiosmosis is the process by which chemical ions move from an area of high concentration to an area of low concentration across a selectively permeable membrane. Chemiosmosis is the process by which ATP, or adenosine triphosphate, is synthesized.

www.reference.com/article/describe-process-transcription-f9b9d38566245bbe

The process of transcription involves reading text or listening to audio and then typing out the contents. Audio transcription often entails extensive editing and formatting. Occasionally, transcriptions will also require translation into another language.

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.