explain digestion in stomach
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Answer:
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. ... Gastric juice in the stomach starts protein digestion. Gastric juice mainly contains hydrochloric acid and pepsin.
Explanation:
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Answer :
Role of Stomach in digestion :
The food then passes through the oesophagus and reaches the stomach .
It is J-shaped ,thick – walled bag – like structure . The stomach is the widest part of the alimentary canal.
It is located under the diaphragm in left of abdomen cavity.
It stores food and digests it by secreting gastric juices.
Stomach acts as a storage tank for food so that the body has time to digest large meal properly .
Stomach divide into three main parts – Upper,middle,lower have sphincter muscle which allow only 1 tease food inside one time.
The inner walls of the stomach consists of the gastric gland which secrete gastric juice in which Pepsin,Renin,mucus layer , HCL etc
HCL work kill the bacteria and Create the medium acidic in stomach which help to enzymes work.
Pepsin convert into peptide then digests proteins and convert into amino acids
Mucus layer prevents the stomach from wall erosion and protects from the acidic effects of hydrochloric acid
Renin found in children
Digestive juice are present in the stomach and the final and complete digestion of food do not occur here .
Stomach also absorb glucose , Water , alchol and many medicines .