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BIO NMDCAT Biological Importance of Water
nmdcat.online June 27, 2026

The use of a hot water bottle for therapeutic heating relies on water’s ability to

A. Release a large amount of heat as it cools down due to its high specific heat capacity
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B. Absorb heat rapidly from the body to reduce a fever
C. Boil at a very low temperature for a prolonged period
D. Generate heat through spontaneous exothermic chemical reactions

📝 Explanation

Because of its high specific heat, water can store a large amount of thermal energy for a given mass and temperature change. As it cools to body temperature, it slowly releases this stored heat, providing sustained thermal therapy.

📖 Additional Information

  • Release a large amount of heat as it cools down due to its high specific heat capacity
  • Absorb heat rapidly from the body to reduce a fever
  • Boil at a very low temperature for a prolonged period
  • Generate heat through spontaneous exothermic chemical reactions

Because of its high specific heat, water can store a large amount of thermal energy for a given mass and temperature change. As it cools to body temperature, it slowly releases this stored heat, providing sustained thermal therapy.

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