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Digestive Systems Of Humans, Earthworms, And Grasshoppers
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The human, earthworm, and grasshopper digestive systems all have some similarities, as well as some differences. In the human digestive system, the process begins at the oral cavity (mouth). The mouth contains the teeth, tongue, and the salivary glands. The salivary glands contain saliva, salivary amylase, which breaks down starches .... Middle of paper .... into maltose. Pepsinogen, which is an inactive enzyme, will change to pepsin, an active enzyme, when mixed with hydrochloric acid. Pepsin breaks down proteins, forming chains of amino acids called polypeptides. Chyme, a mixture of churned food, mucus, and digestive enzymes, is formed and will pass through the pyloric sphincter into the small intestine.
The small intestine is made up of three parts called the duodenum, jejunum, and ileum. All ....
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Number of words: 1293 Number of pages: 5 (approx. 250 words per double-spaced page)
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