Hormones is the term you are looking for, but I may be wrong
Answer:
I would say C
Explanation:
unless the model has mathematical equations in the core, I don't think its A or B. and obviously it isn't interactive unless you want to melt your hand off so i would say C
Muscle spasms<span>Hypocalcemia can cause
emotional disturbances
depression of the nervous system
muscle weakness
sluggish reflexes
muscle spasms</span>
