The Human Digestive System- Organs, Functions and Diagram

The Human Digestive System

The Human Digestive System Definition The human digestive system is the collective name used to describe the alimentary canal, some accessory organs, and a variety of digestive processes that take place at different levels in the canal to prepare food eaten in the diet for absorption. It has a general structure that is modified at different levels to provide for …

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Physiological barriers of immune system

Physiological barriers of immune system

Physiological barriers of immune system The simplest way to avoid infection is to prevent the microorganisms from gaining access to the body. Anatomical and physiological barriers together provide this crucial first line of defense against pathogens. Physiological barriers that contribute to the innate immunity are the body temperature, pH and various soluble secretory products of the mucosa. A. Body temperature …

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