The Small Intestine Each villi itself has tiny fingerlike projections called microvilli, which further increase the surface area for absorption. The Human Digestive System In the last portion of the small intestine: There are fewer villi and basically compacts the leftovers to pass through into the ...
1、Human DigestionNutrition Process by which organisms obtain and utilize their food.There are two parts to Nutrition:1.Ingestion-process of taking food into the digestive system so that it may be hydrolized or digested.2.Digestion-the breakdown of food(either chemically or mechanically)in order ...
Human digestive system GI (gastrointestinal) tract = alimentary canal ? Mouth ? teeth Ingestion – breaking up food – mechanical digestion – chemical digestion ? saliva – amylase ? enzyme digests starch – mucin ? slippery protein (mucus) ? protects soft lining of digestive system ? lubricate...
and excretes waste. Digestive system breaks food down into nutrients, which are absorbed and transported by circulatory system. There are four stages of food processing: Ingestion – taking in of nutrients (food). Digestion – breakdown of food (physical & chemical) Absorption – taking...
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《病理学》7 Diseases of the Digestive System-英文教学课件(非AI生成).pptx,Diseases of the Digestive System ; Gastritis Peptic ulcers Carcinomas of the alimentary tract Viral hepatitis Liver cirrhosis Common non-viral liver diseases Primary carcinomas o
Discover how the human digestive system, one of the most important systems in the human body, works. Learn what each part does, and then see how...
The human digestive system is a complex and fascinating system that plays a crucial role in our overall health. It consists of several organs that work together to break down food and absorb nutrients. The digestive process begins in the mouth. Here, food is chewed and mixed with saliva, whi...
The Human Digestive SystemViewing, Preparation F O RViewing, AfterProgram, T H E
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