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Question
Define digestion.
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Solution
It is the breaking down of complex insoluble food components into simple soluble substances.
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| Across | Down | ||
| 1. | Cream-coloured digestive gland | 2. | Feeds with the help of pseudopodia |
| 3. | Undigested excretory solid residues | 6. | Total number of molars in one jaw of an adult |
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