1. Jake told his girlfriend that the rollercoaster did not bother him, but during the ride he let loose with a long, high-pitched scream. Explain how the muscles of respiration, the muscles that control vocal cords, and the muscles that move the epiglottis produced Jake's scream.
2. Explain what happens to the shape of the trachea when a person swallows a large mouthful of food. Why is this change advantageous?
each question needs at least 200 words... i KNOW THERE IS NOT MUCH TO DRAW FROM.