AQA GCSE Food Technology Practice Exam 2025 – The Complete Guide to Mastering Your Course!

Question: 1 / 400

What is essential for maintaining hydration in the body?

Fibre

Fat

Water

Water is essential for maintaining hydration in the body because it plays a crucial role in numerous physiological processes. The human body comprises about 60% water, and staying hydrated is vital for overall health. Water helps regulate body temperature, aids in digestion, transports nutrients, and removes waste. It also enables biochemical reactions and maintains electrolyte balance. While other nutrients like fibre, fat, and protein serve important functions, they do not directly contribute to hydration. Fibre, for instance, is beneficial for digestive health but does not impact hydration levels directly. Fat is essential for energy and cellular functions, while protein is necessary for growth and repair of tissues. However, neither fat nor protein serves the specific role of hydrating the body as water does. Therefore, water is the most critical component for maintaining hydration.

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Protein

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