Adrenaline and nor-adrenaline are commonly called

Options

A. Corticoids
B. Glucocorticoids
C. Catecholamines
D. Sex Corticoids

Answer

**Step-by-Step Solution:**

1. **Identify the Hormones**: The question asks about adrenaline and nor-adrenaline. These are two important hormones produced by the adrenal gland.

2. **Understand the Source**: Adrenaline (also known as epinephrine) and nor-adrenaline (also known as norepinephrine) are produced in the adrenal medulla, which is the inner part of the adrenal gland.

3. **Know Their Classification**: Both adrenaline and nor-adrenaline are classified as catecholamines. This classification is based on their chemical structure and function.

4. **Recognize Their Function**: These hormones are released in response to stress and are involved in the body's "fight or flight" response. They increase heart rate, blood pressure, and energy availability.

5. **Conclude the Common Name**: Therefore, adrenaline and nor-adrenaline are commonly referred to as catecholamines.

**Final Answer**: Adrenaline and nor-adrenaline are commonly called catecholamines.

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