Fat present below the skin surface in our body, acts as a barrier against
- Aloss of heat from the body
- Bloss of essential body fluidsCorrect
- Closs of salts from the body
- Dentry of harmful micro-organisms from the environment
Explanation
The correct answer is B because the subcutaneous fat layer, along with the skin, serves as a vital waterproof seal for the human body. This fatty tissue prevents the uncontrolled evaporation of water and the leakage of internal fluids, thereby maintaining the bodys hydration and internal chemical balance. While fat also provides thermal insulation, its role as a physical barrier to fluid loss is a fundamental physiological function.

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