digestion of food

Process occur in digestion

Ingestion – intake of food

Digestion – the breakdown of food

Absorption – the absorption of energy by figure like projection villa in small intestine

Ejection – the releasing of waste materials

                             This photo is the screenshot of class 10 ncert science text book 

Releasing organ	Name of gland /chemicals	Affecting constituent	Reference
Mouth	Saliva	Starch	It is verified by mixing starch and saliva
Stomach	HCl, pepsin, mucus	Protein	Pepsin activate in acidic medium so HCl is release. Pepsin digests protein. Mucus protect the stomach from acid
Pancreas	Trypsin	Protein	It is act in small intestine.
Lever	Bile juice	fat	Break into small globule or emulsify  and work into small intestine
Pancreas	Lipase	fat	Break the emulsified fat
Small intestine	Intestinal juice	Protein Carbohydrate Fat	Amino acid Glucose Fatty acid and glycerol

The experiment of starch

Starch + iodine = blue-black

Saliva + starch + iodine= decolorize

                    Small intestine is a site of complete digestion

                    Small intestine of herbivorous is large 

                    Digested food is absorb by villa of small intestine then large intestine

                    The waste food come out from the anus

                    When lime water react with carbon dioxide turn water milky

                           This photo is the screenshot of class 10 ncert science text book  

Mitochondria is called kitchen of the cell

Formula of lactic acid is C₃H₆O₃

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