It is said that the complex external sources of energy needs to be broken down into simpler forms inside the
body. Do you agree? Give reason(s) in support of your answer.
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Nutrition permits us to take in and use food substances that the body converts to energy and body structure. The digestive system includes all the organs and glands involved in this process of eating and digesting. Starting in the mouth, a long muscular tube provides continual fluid and vital nutrients. The coiled intestines alone are about 24 feet long. After we consume food, the body mechanically and chemically breaks it down, then transports it for absorption and defecation (final waste removal). The digestive glands (salivary glands, pancreas, liver, and gallbladder) produce or store secretions that the
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