What are the chemicals that are secreted by basophils?

Explanation

**Step-by-Step Solution:**

1. **Identify Basophils**: Basophils are a type of white blood cell (WBC) found in the blood. They play a role in the immune response.

2. **Function of Basophils**: Basophils are involved in detecting and responding to certain conditions, including early cancerous cells. They help in the body's defense mechanisms.

3. **Chemicals Secreted by Basophils**: Basophils secrete several important chemicals that contribute to their functions:
- **Histamine**: This chemical is involved in inflammatory responses and helps in dilating blood vessels, increasing blood flow to tissues.
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