Digestion of food

Overview of the digestive system—how food moves through each part of the GI tract to help break down food for energy, growth, and cell repair.

The human digestive system, system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract, or the series of structures and organs through which food and liquids pass during their processing into forms absorbable into the bloodstream. The system also consists of the structures through which wastes pass in the process of elimination and other organs that contribute juices necessary for the digestive process Nicholas Carr…

In order to be absorbed and used, food must be “digested”, that is, it must be broken down into small pieces. Each portion of this tube has a different shape and function. It starts at the mouth and ends at the anus.

According to gastroenterologist Christine Lee, MD, “The denser the food, meaning the more protein or fat it has, the longer it takes to digest.”

If you ever struggled in indigestion after a meal, instead of reaching for the medicine cabinet, try an alternative.

The first step to obtaining nutrition is ingestion, a process where food is taken in through the mouth and broken down by teeth and saliva.

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The chemical digestion also occurs on the small intestine. The small intestine is made up of the duodenum, jejunum and ileum; these parts are essential for two main roles which is the breaking down of macromolecules and absorption of water and nutrients. According to (Guerra A. et al., 2012) Pancreatic enzymes and other digestive enzymes produced by the inner wall of the small intestine act together in the breakdown of food constituents.

Strong healthy happy stomach character with broccoli and apple. Vector flat cartoon illustration icon design. Isolated on white backgound. Digestive tract, Healthy food nutrition,stomach concept. Download a free preview or high-quality Adobe Illustrator (ai), EPS, PDF, SVG vectors and high-res JPEG and transparent PNG images.