What is sebum?

Options

A. Secretion from oil glands
B. Male reproductive organ
C. Female reproductive organ
D. Release of blood

Answer

**Step-by-Step Solution:**

1. **Understanding Sebum**: Sebum is a substance produced by the body, specifically by certain glands.

2. **Identifying the Source**: Sebum is secreted by sebaceous glands, which are also known as oil glands. These glands are located in the skin.

3. **Composition of Sebum**: Sebum is an oily, waxy substance that helps to lubricate and protect the skin and hair.

4. **Function of Sebum**: The primary function of sebum is to keep the skin moisturized and to prevent it from becoming dry and brittle. It also has antibacterial properties that help protect the skin from infections.

5. **Conclusion**: Therefore, sebum is the oily substance produced by the sebaceous (oil) glands in the skin.

**Final Answer**: Sebum is an oily substance secreted by the sebaceous glands in the body.

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