The answer is ophthalmologist
Im guessing the answer is a because sometimes the air quality is not good for you to in hale
Answer: They are extremely Optimistic.
Answer:
The central nervous system is made up of the brain and the spinal cord. The brain communicates with the rest of the body through the spinal cord, which runs from the base of the brain all the way down the back. ... Messages travel from the brain into the spinal cord and out to the body's nerves to tell the body what to do.
Explanation: