restrictive (compared to the 2000 calories or more
that many of us in North America consume).
Would it be worth it for a life span of 110 years?
Describe the problems with such a diet.- Every summer small children are left alone in cars
“just for a few minutes,” while a parent does an
errand. The result may be tragic—severe brain
damage or death of the child from heat stroke.
Explain why small children are so susceptible to
heat.
5. Remember the Titanic, which sank in April of
1912? There were not enough lifeboats for every-
one, and many people were in the water of the
North Atlantic. They did have life jackets, and did
not drown, but many were dead within half an
hour. Explain why.
6. An elderly person and a quadriplegic person may
each have difficulties during cold weather. Explain
how the problem is a little different for each.
416 Body Temperature and Metabolism