Digestive System Powerpoint High School

The ppt on digestive system talks about the human digestive system which is located between the throat and the stomach.

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 The esophagus which passes food from the pharynx to the stomach is about 25 cm in length; the width varies from 1.5 to 2 cm. The esophagus lies behind the trachea and heart and in front of the spinal column; it passes through the diaphragm before entering the stomach. Once food is swallowed, it enters the esophagus, a muscular tube that is about 10 inches long. Muscular wavelike contractions push the food down through the esophagus to the stomach. A muscular ring at the end of the esophagus allows food to enter the stomach, and, then, it squeezes shut to prevent food and fluid from going back up the esophagus. The position of our body is a determinant on how the food passes in the esophagus, for example if we lie down and swallow our food, its most likely that the esophagus pushes the food back into our mouth. If we are in an erect position, that’s when our food passes through the esophagus and flap closes preventing the food back into our system. The digestive system PowerPoint is designed with a white background and has the carton clip of a human body with the organs, the esophagus, depicted in pink. The ppt on human digestive system can be used by doctors in seminars to explain the function of the esophagus. It can also be used by nutritionists and dietitians in counseling sessions to explain about human digestive system. Teachers can use this template in class rooms. Students can use this in digestive system ppt presentation.

The ppt of human digestive system can be downloaded from below location:

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