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The Digestive System: How It Works
Beginning of essay
The digestive systems works on nutrients taken from the environment, breaking them down into simpler products, and then absorbing the products together with water and salts so they can be used in metabolism.
The individuals of all species contain many different protiens or carbohydrates in the cel ....
Middle of essay
....fluids into the victim. This liquefies the softer parts, which the spider then sucks into its stomach and intestine, where digestion is completed.
DIGESTIVE ENZYMES
In digestion large molecules are split into smaller ones by enzyme hydrolosis, so named because water is taken up in the process. The enzymes that hydrolyze proteins, fats, and carbohydrates are called, respectively, proteases, lipases, and carbohydrases, or amylases.
Some insects, birds, and herbivorous animals can digest subst.... |
| Number of words: 1022 |
Approximate pages: 4 |
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