1-Why is so much heat lost from, head, hands, feet?

2-Why would the body cool down at high altitudes regardless of outside temp?

3-Describe changes that occur as body tries to acclimatize to high altitudes?

4-Describe causes and effects of pulmonary edema and cerebral edemo?

5-What 2 factors caused Ricardo's heart attack?

6-Why does frostbite occur?