Answer :
Final answer:
Nutrients are essential substances for the body's functions, protecting against diseases requires maintaining a healthy lifestyle, and key nutrients include carbohydrates, proteins, and vitamins.
Explanation:
Nutrients are substances essential for the body's basic functions, obtained from the diet. They provide energy, contribute to body structure, and regulate chemical processes. Nutrients include carbohydrates, lipids, proteins, water, vitamins, and minerals.
To protect ourselves from diseases, we should maintain a balanced diet, exercise regularly, get enough sleep, practice good hygiene, and avoid harmful substances like tobacco and excessive alcohol.
Three nutrients crucial for the body's proper functioning are carbohydrates, proteins, and vitamins. These nutrients support energy production, muscle growth, and immune function.
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