Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Muscle spasms are involuntary contractions of a muscle. Given the two facts above, answer the question "What can muscle spasms cause?" with the following options: - massive damage - matter vibrating - constriction - friction - Dehydration - ketosis - stretching - photosynthesis
The answer to this question is:
constriction