Question 37 • 2026-2027 EDGE Human Anatomy and Physiology B
The trachea, or windpipe, is the passage that carries air from the upper respiratory system toward the lower respiratory system and lungs. It does not move oxygen into the blood; that exchange happens in the lungs. The best answer is “to serve as a passageway for air between the upper and lower respiratory systems.”
AI-written and checked against the verified answer.