The digestion of food in blood is called

Asked By Gunjan

The digestion of food in blood is called

  • Replied by Admin

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    The digestion of food in blood is called absorption.


    Absorption is the process movement of digested food molecules through the intestinal walls into the blood.

    Digested food molecules are absorbed in the small intestine into the bloodstream. Once in the bloodstream, the digested food molecules are carried around the other parts of organs/tissues/cells of body, where they are needed.

    The part of blood that carries digested food is plasma. Our blood has 55% liquid component called as blood plasma. The intestines remove all the nutrients from our food and are absorbed through the intestinal walls. Through this blood plasma digested food absorbed primarily by stomach walls and then by intestinal lining and then goes into blood plasma which is then carried into the other parts of organs/tissues/cells, where it is needed.

    • 31 Jul 2018 @ 06:14

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Is DNA is same in all cells of the body ?

Yes!!! DNA is same in all cells of the body. All the cells have the same DNA and the same genes. However, there are many different types of cells. For example, humans have liver cells, muscle cells, skin cells, brain cells etc. The difference between cells in different tissues and organs is that the expression of the genes differs between cells. Expression is defined as how message from the DNA is being copied and made into protein. The combination of genes that are turned on and off, called as expression which helps to find out the shape and specific function of the cell. There are about 20,000 human genes and all genes are not expressed in all cells but their expression depends on type of cells, where it is located and functions they perform in a human body. Therefore, different genes are activated and others are repressed in different cells. With few exceptions, all cells in a person’s body have the same DNA and genes. As cells divide and grow different genes are expressed, resulting in different cell types. Almost all cells have the same DNA, but there are a few exceptions such as : - Mature red blood cells that contains no DNA. - The sperm and the egg contains half the amount of DNA. - B cells in which some of the DNA rearranged to make antibodies.