Define the hormones

Explanation

### Step-by-Step Text Solution:

1. **Definition of Hormones**: Hormones are defined as chemical substances that play a crucial role in regulating various functions in the body.

2. **Production of Hormones**: These hormones are produced by special organs known as endocrine glands.

3. **Endocrine Glands**: Endocrine glands are unique because they release hormones directly into the bloodstream, rather than through ducts.

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