Who coined the term hormone?

Explanation

**Step-by-Step Solution:**

1. **Understanding Hormones**: Begin by defining what hormones are. Hormones are chemical substances produced by endocrine glands that are released into the bloodstream and transported to target organs to regulate various physiological processes.

2. **Role of Endocrine Glands**: Explain the function of endocrine glands. These glands are ductless, meaning they release their secretions directly into the blood rather than through ducts.

3. **Historical Context**: Provide a brief historical background on the discovery of hormones. The first hormone, secretin, was discovered by Ernst Starling in 1902.

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