In this article we will discuss about the anatomical structure of human digestive system with the help of suitable diagrams. The human digestive canal is a long muscular tube consisting of the following parts from above downwards- the mouth (guarded by lips and teeth), tongue, pharynx, oesophagus, stomach, small intestine, large intestine, rectum and anal canal. The ducts of the [...]
The following types of movements are found in the human small intestine: 1. Rhythmic segmentation or Ludwig's pendulum 2. Peristalsis. Type # 1. Rhythmic Segmentation: Nature: These are rings of contraction occurring at regular space of intervals in which a portion of the intestine is divided into segments. The contraction is followed by relaxation. The contraction takes place at the [...]
In this article we will discuss about:- 1. Definition of Vomiting 2. Events takes Places During Vomiting 3. Mechanism. Definition of Vomiting: Vomiting is a reflex which serves to relieve the upper G.I. tract by forcible expulsion of gastric contents through the mouth. This may occur either because the contents are irritating or because the organs themselves or the nerves [...]