What happens with the small intestine during Digestion?
For a project I must give a little info about what exactly Happens in the small intestine during digestion Thanks!
Tagged with: small intestine
Filed under: Intestines
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Denisedds (88)
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the food gets pushed through it until it reaches the stomach
Firstly, the small intestine is made up of three components, the duodenum, the jejunum and the ileum.
The first part of the small intestine (which is also the smallest part), ,the duodenum, is where food that just entered from the stomach continue to be chemically digested.
The enzymes pancreatic amylase helps to break down any more starch, and bile secreted from the gallbladder (but made in the liver) helps to break down fats.
note: proteins are not broken down here, because it is only broken down inside the stomach, where the relevant enzymes and conditions exists.
The remaining part of the small intestine is used for absorption. This part is the longest (the jejunum and the ileum) because all the solid food that were broken down previously are absorbed here, through the tissue lining the small intestine, When food crosses the small intestine wall, it goes into the blood capillaries that are closest to the intestinal wall and the blood then transports it throughout the body for use by other cell to provide energy for the body to function.
Finally , only undigested food (wastes) and water are left to enter the large intestine.
The small intestine is where most digestion happens.though it is called as small intestine it is big actually,its length will be 3-6 meters.the third part of the partially digested food is again digested here at small intestine.
.-= Guruprasad´s last blog ..Eat Papaya for Good Health =-.