Nerve that regulates the sense of smell

Also known as CN1, the olfactory nerve is the first of 12 cranial nerves located within the head. It relays sensory data to the brain, and it is responsible for the sense of smell

Explanation:

answer; ///i believe that the correct answer is (general adaption syndrome);

answer: when you start thinking negitivly and start having suicidal thoughts

or harming yourself, sadness is part of depression as well as fear and anger combined