<span>You
get muscle cramps. This can occur during strenuous
exercise or even at rest. The most common
cause of muscle cramps is dehydration. Muscle cramps happen involuntarily
and occur for longer periods with the muscles contracted. When it is not
prolonged, the involuntary contraction is called spasms and it is occasionally
referred as twitch.</span>
Answer: The 3rd one, answer C
Answer:
Organs are structures made up of two or more tissues organized to carry out a particular function, and groups of organs with related functions make up the different organ systems.
Explanation:
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