The emergency hormone is

Options

A. Throxine
B. Adrenaline
C. Insulin
D. Progesterone

Answer

**Step-by-Step Solution:**

1. **Identify the Question:** The question asks for the name of the emergency hormone.

2. **Recall Relevant Information:** The hormone associated with emergency responses is known to be secreted during times of stress.

3. **Identify the Source of the Hormone:** The hormone is secreted by the adrenal medulla, which is part of the adrenal glands located on top of the kidneys.

4. **Understand the Function of the Hormone:** This hormone is responsible for triggering the "fight or flight" response in the body, which prepares the body to respond to a stressful situation.

5. **List the Effects of the Hormone:** Upon release, adrenaline causes several physiological changes:
- Increases heart rate to supply more oxygen to muscles.
- Enhances breathing rate by causing rapid contractions of the diaphragm and rib muscles.
- Redirects blood flow away from the skin and digestive system to the skeletal muscles, enhancing physical performance.

6. **Conclude with the Answer:** Based on the above points, the emergency hormone is identified as adrenaline.

**Final Answer:** The emergency hormone is adrenaline.

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