Week 2 CheckPoint Human Digestion

Week 2 CheckPoint Human Digestion - What is not absorbed...

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The beginning process of human digestion is through the mouth. The saliva glands moisten food while the teeth chew and the result is bolus. The bolus then moves to the pharynx where it is swallowed into the esophagus. The bolus travels to the stomach; when it reaches the stomach, it is broken down by acid which turns the bolus into chime. The stomach partially digests some of the food, while the rest of the chime is pushed further through the digestive system. Once the chime leaves the stomach, it goes to the small intestine. This is where most of the food is digested and nutrients are absorbed.
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Unformatted text preview: What is not absorbed will reach the large intestine through a sphincter. The sphincter keeps the flow back of the product back into the small intestine. The large intestine includes both the colon and rectum. As it passes through the large intestine, more water, vitamins, and nutrients are absorbed, which occurs in the colon. The material that is not broken down is what exits the body and is called feces. The feces are exited out of the body through the anus, which is connected to the colon. Once the remaining material is exited through the anus, the digestive cycle is complete....
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