3. digestion is a process that ________.
4. explain why living things need food.

Question

Accepted Answer

### Question 3
# Brief Explanations:
Digestion breaks down food into nutrients. These nutrients (like carbs, proteins, fats) are absorbed and used for energy, growth, repair. So the process breaks down food for absorption.
# Answer:
breaks down food into substances that can be absorbed and utilized by the body (e.g., nutrients for energy, growth, and repair)

### Question 4
# Brief Explanations:
Living things need food for energy (to perform life processes: movement, respiration, etc.), growth (build new cells/tissues), repair (fix damaged cells), and maintaining body functions (like regulating temperature, metabolism). Food provides nutrients (carbohydrates, proteins, fats, vitamins, minerals) for these.
# Answer:
Living things need food because it provides energy for life processes (e.g., movement, respiration), materials for growth (building new cells/tissues) and repair (fixing damaged cells), and nutrients (e.g., vitamins, minerals) to maintain body functions (e.g., metabolism, temperature regulation).

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