Select from the following.
I. dehydration;
II. gum disease;
III. arthritis;
IV. hypothermia;
V. hypoxia;
VI. massive damage;
VII. sweating;
VIII. Leptospirosis;
Given those answer options, answer the question: Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Hypothermia occurs when the body loses heat at a faster rate then it can be produced. Given the two facts above, head hair can help prevent?
A:
IV.