In Bell's palsy, the facial nerve that is injured and inflamed causes symptoms like twitching, weakness, or paralysis on one side of the face, sometimes both; drooling; a drooping eyelid or one corner of the mouth droops.
I believe the answer you're looking for is Evolution.
Answer:
Look below
Explanation:
An organelle is a very small cellular part or structure that has a very specific job/task in the cell.
