Q: Fact 1: Shivering occurs when many muscles contract a little bit all at once. Fact 2: Heat production is increased by shivering and non-shivering thermogenesis . Given the two facts above, what ccurs when many muscles contract a little bit all at once?

Select from:
[a]. heat production.
[b]. heat loss.
[c]. sweating.
[d]. permineralization.
[e]. hypothermia.
[f]. resistance.
[g]. cramping.
[h]. heat energy.
The answer is:
[a].