What are some symptoms that one is suffering from heat exhaustion?

Heat exhaustion, a precursor to heatstroke, occurs when the body becomes dehydrated and is unable to cool itself effectively. Symptoms of heat exhaustion include:

1. Heavy sweating

2. Rapid pulse

3. Weakness and extreme fatigue

4. Dizziness and lightheadedness

5. Slight drops in blood pressure

6. Muscle cramps

7. Headache

8. nausea

9. Cool, moist skin that feels clammy to the touch

10. Pale or flushed complexion