Scientific explanation has data or statistics that have been tested and experimented to determine outcomes. Stories are subjective information that has no evidence to back up if it’s true or not.
Touching a hot pan and yanking your hand away--That is nervous system.
Going through puberty is controlled by the pituitary gland.
jumping up and down is controlled by the muscular system.
Breathing harder during a jog is controlled by the respiratory system.
Getting energy to sit through class by eating cereal and a banana is controlled by digestive system and muscular system.
hope it helps
It would be d because you could get it again but it would be a different kind
Is your testicles swollen ? You should go see a doctor. Especially if there’s pain.