What device is most commonly used to monitor airway function at home?

People living in which region of the United States are at greatest risk of Bubonic plague?

A) Northeast—New York, Massachusetts, Maine B) Southeast—Georgia, Alabama, Mississippi C) Southwest—New Mexico, Colorado, Arizona D) Northwest—Oregon, Washington, Idaho

Which of the following is the main organ of the nervous system?

A. neurons B. spinal cord C. nerves D. axon