"Poor personal hygiene" is the main and biggest cause of foodborne illness. Personal hygiene is very basic to every individual. It reflects how we bring ourselves and take care of ourselves. It would be a great embarrassment to other people if you smell unpleasant, most especially towards your co-workers and employers.
Helmets.. if we were talking about protecting the mouth I would say mouth gaurds protect just as much as helmets protect the head, nose, and eyes.
Answer:
Cranial nerves I, II, and VIII
Explanation:
