Digestion
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 makes use of certain che..
Digestion
Digestion is defined as the process by which complex food molecules are broken down into simpler molecules, so that they can be absorbed by the body. Digestion is mechanical and chemical . In mechanical digestion, food is physically broken down into smaller particl..
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 of the jaws, teeth and tongue. The food is fo..
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..Structure of the Human Digestive System
The structure of the human digestive system is adapted to the omnivorous diet. The human digestive system consists of an alimentary canal, which is approximately 8 metres long. The alimentary canal carries out digestion, absorption and egesti..
Structure of the Human Digestive System
The structure of the human digestive system is adapted to the omnivorous diet. The human digestive system consists of an alimentary canal, which is approximately 8 metres long. The alimentary canal carries out digestion, absorption and egestio..
Human Digestive System
Man is omnivorous - feeding on different kinds of food. Thus, the structure of the digestive system should be adapted to this diet. The human digestive system consists of an alimentary canal, which is approximately 8metres lon..
Human Digestive System - contd…
Pharynx - It is the portion of the alimentary canal after the mouth. It is a cavity common to air and foo..
Human Digestive System - The Alimentary Canal
Human Digestive System - The Alimentary Canal - The mouth cavity leads into the alimentary cana..
Human Digestive System - The Mouth Cavity
Man is omnivorous - feeding on different kinds of food. Thus, the structure of the digestive system should be adapted to this die..
Human Digestive System - The Alimentary Canal
It has an inner circular and the outer longitudinal muscles. Both these layers facilitate the movement of food along the alimentary cana..
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