Essay On Human Digestive System

889 Words 4 Pages
HUMAN DIGESTIVE SYSTEM
1.0 Introduction
Humans need to obtain nutrients by taking in different kinds of food. The food we eat needs to be broken down into simple, soluble forms before it can be absorbed by our body. The human digestive system has many process. It contains different stages and works in different organs. It starts at the oral cavity and ends at the anus. The digestive system involves five main processes in the digestive system; ingestion, digestion, absorption, assimilation and elimination. This report will focus on the digestive system, what it does, how the organs work, what is needed to keep it functioning properly and one of the diseases that affect the system.

2.0 What does the system an its organs do
The digestive system
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Eating green vegetables and fruits can keep our digestive system healthy because it contains dietary fibers and it helps to stimulate our large intestine. Doing exercise can keep our digestive system healthy because it can improve blood flow to the intestine and colon.

5.0 Disease that affect the system
Gastroesphageal Reflux Disease (GERD) is a disease which affect the digestive system. Weakness of the valve between the esophagus and stomach may allow stomach acid to reflux into the esophagus and irritate and inflame the lining.

5.1 Symptoms
Heartburn is the most common symptom of GERD. It usually feels like a burning chest pain beginning behind the breastbone and moving upward to the neck and the throat. The burning or the pain may last for 2 hours or even worse.
5.2 Causes
It causes when we have unhealthy diet, eating too much junk food which makes us overweight, smoking and drinking too much alcohol. It causes pain when GERD occurs.
5.3 How it is treated
Doctors recommended their patients to change their diet and lifestyle to decrease the amount of reflux and reduce the damage to the lining of the esophagus from refluxed

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