Sponges are similar to a small intestine because they'll both squeeze parts of themselves to digest foods and nutrients. Not to mention the fact that they're both soft.
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Mitochondria...
Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
The correct answer is puberty.
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<em>Minerals maintain water balance
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<em>Carbohydrates provide basic energy
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<em>Proteins repair body tissue
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<em>Fats maintain body temperature
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<em>Vitamins absorb other nutrients
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