nutrition and digestion in human

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..

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..

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..

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..

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 - The mouth cavity leads into the alimentary cana..

Man is omnivorous - feeding on different kinds of food. Thus, the structure of the digestive system should be adapted to this die..

It has an inner circular and the outer longitudinal muscles. Both these layers facilitate the movement of food along the alimentary cana..

All organisms require energy in order to stay alive. Energy is utilised to do the various bodily functions such as breathing, ingesting and digesting food, excreting, reproducing, locomotion, etc. Energy is obtained from food. Thus the process of intake of food is vital for the surv..

The digestive system is an organ system. An organ system is a collection of organs which together carry out a life process. Human Digestive Syst..