Notes

Outline

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"Bob enters through the mouth" Bob enters through the mouth. The tongue manipulates the food during chewing, helping to shape the food into a ball called a bolus.

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Bob is pushed down the esophagus by muscular contractions of the smooth muscles. This process is called peristalsis.

Bob is now in the stomach, after passing by the cardiac orifice, which prevents Bob from making a last-minute escape. As soon as Bob Bolus entered the J-shaped stomach, the lining secreted gastric juice

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Bob Broth enters the small intestine

"Because Bob contains fats," Because Bob contains fats, enterogastrone from the small intestine slowed him down as he was entering.

"As Bob travels along the..." As Bob travels along the 25cm of the duodenum, pancreatic fluid containing sodium bicarbonate, neutralizes Bob

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Now that Bob has been stripped of his nutrients he enters the large intestine. Bob becomes more solid and becomes mere waste.

Peristalsis moves Bob Feces through the colon very slowly. Within 24 hours Bob reaches the rectum where he is temporarily stored.

After his long and strenuous journey, Bob Feces exits by way of the anus and is flushed down the toilet.