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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, saliv ....
Middle of essay
....ith the chemical breakdown of simple sugars, amino acids, vitamins, minerals, and fats. The villi, which is a finger like protrusion, contains veins, capillaries, and arteries. This is the site of absorption of nutrients, maltose, carbohydrates, and amino acids. Absorption occurs through the capillary beds. Brush borders, or multi villi, help the villi to increase absorption and surface area in the small intestine. The lacteal, also located in the small intestine, help with the absorption of.... |
| Number of words: 1293 |
Approximate pages: 5 |
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