mechanism of digestion

Mechanism of Digestion - Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with the action of the jaws, teeth, inner walls of che..

Mechanism of Digestion - Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This process is called mastification. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with the action ..

Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This process is called mastification. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with the action of the jaws, teeth and tongue. The food is fo..

Digestion starts in the mouth with the mandibles and the maxillae chewing the food. It is also acted upon by the salivary carbohydrases which partially digests the food. The food is then swallowed with the help of lubrication provided by the salivary juice. The food then ente..

Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with the action of the jaws, teeth, inner walls of cheeks and tongue. The food is formed into bolu..

Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the foo..

Breaking down food into simpler forms is called digestion. Digestion is both mechanical and chemical . In mechanical digestion, food is physically broken down into smaller particles by processes such as chewing. Chemical digestion make..

. The digestive system consists of mouth cavity, pharynx, oesophagus, stomach, small intestine and large intestine. Mouth cavity consists of tongue and two rows of teeth. Saliva secreted by three large salivary glands and other smaller glands gets mixed with the food by the action of the ..

Epithelium These consist of cells that are tall and pillar-like. They form the lining of the stomach and intestine. They are also present in the salivary glands, sweat glands and tear glands. These cells give mechanical strength and some that line the intestine adsorb digested..

i) Microorganisms present in the soil weaken and decompose the hard seed coat ii) The digestive juices present in the alimentary canal of the fruit eating birds makes the seed coat soft iii) Mechanical abrasions weaken the tough and impermeable seed coat iv) Washing away of inhi..