Introduction

The digestive tract begins at the mouth, transits the esophagus, stomach, small and large intestines, the colon, and terminates at the anus. The digestive system is the greatest avenue of transfer of elements between the human body and the external environment. While the respiratory system serves the vital function of transporting oxygen into the body, which is key for cell metabolism, the digestive system transports many nutrients and other substances that directly affect body structure and function. These beneficial elements are sometimes accompanied by disease causing agents or organisms. This physiological reality is reflected in the epidemiologic patterns of disease and health concerns cross-culturally.

Was this article helpful?

0 0
100 Health Tips

100 Health Tips

Breakfast is the most vital meal. It should not be missed in order to refuel your body from functional metabolic changes during long hours of sleep. It is best to include carbohydrates, fats and proteins for an ideal nutrition such as combinations of fresh fruits, bread toast and breakfast cereals with milk. Learn even more tips like these within this health tips guide.

Get My Free Ebook


Post a comment