The increased activity of which gland in adolescents makes the body smelly?

Options

A. Thyroid gland
B. Sweat gland
C. Sebaceous gland
D. Salivary gland

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which gland's increased activity during adolescence causes body odor.

2. **Identifying the Options**: The options given are:
- A) Thyroid gland
- B) Sweat gland
- C) Sebaceous gland
- D) Salivary gland

3. **Analyzing Each Gland**:
- **Thyroid Gland**: This gland regulates metabolism but is not directly responsible for body odor.
- **Sweat Gland**: This gland is responsible for producing sweat, which can lead to body odor when it interacts with bacteria on the skin.
- **Sebaceous Gland**: This gland produces oil (sebum) for the skin but does not primarily cause body odor.
- **Salivary Gland**: This gland produces saliva and is not related to body odor.

4. **Conclusion**: The gland that increases its activity during adolescence and leads to body odor is the **sweat gland** (Option B).

5. **Final Answer**: The increased activity of the **sweat gland** in adolescents makes the body smelly.

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