Questions, p. 85-89 “Spies, The Second Journey Begins” • 1. The human body is divided into pairs. Name at least eight examples of pairs in your body. • 2. Name 2 ways that humans can get rid of germs and dust. • 3. What 2 things in the nose are used to capture germs and dust? • 4. Why is it better to breathe through your nose than through your mouth? • 5. What is the job of the olfactory membrane? • 6. What is another name for the voice box? • 7. What determines the loudness of a sound? • 8. What is another name for the windpipe? • 9. To where does the windpipe lead? • 10. Just before the trachea reaches the lungs, it branches in two directions. What are these branches called? • 11. What are the tiny branches at the end of each bronchial tree? • 12. The tiny air sacs at the end of each tiny branch are known as ___. • 13. What important process happens here? • 14. Name the muscles that are responsible for breathing. • 15. About how many times do humans breathe in a minute? • 16. What is the normal volume of air that human lungs can normally hold?