What are the main functions of the hormone adrenaline?

Explanation

**Step-by-Step Text Solution:**

1. **Introduction to Adrenaline:**
- Adrenaline, also known as epinephrine, is a hormone produced by the adrenal glands. It plays a crucial role in the body's fight-or-flight response.

2. **Function 1: Increases Blood Flow to Muscles**
- One of the primary functions of adrenaline is to increase blood flow to the muscles. This is essential during stressful situations, as it prepares the body for physical exertion.

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