An example would be taking more drugs than prescribed
Answer:
The labyrinths of the internal ear contain the fluids known as perilymph and endolymph.
Explanation:
Hope this helps
B.changes in the prefrontal cortex
Smoking can constrict blood vessels which limits the amount of oxygenated blood causing a cold numb feeling. This happens especially to the limbs because they are farthest from the heart.