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Digestive Systems Of Humans, Earthworms, And Grasshoppers
Part 1 of Paper
....e 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 into maltose, and mucus, which mixes with the food to form bolus. Chemical brea.... Part 2 of Paper
....en 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 three parts aid in peristalsis. They also help with the chemical breakdown of simple sugars, amino acids, vitamins, minerals, and fats. The villi, .... |
| Number of words: 1293 - Approximate pages: 5 |
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