Respiratory System

6. Small branches of the bronchial tubes that lead to the alveoli
8. Blood vessels in the alveoli walls that move oxygen and carbon dioxide
9. lobes three lobes in the right lung and two in the left lung.
11. Thin sacs that surround each lung lobe and separate your lungs from the chest wall
13. Passage connecting your throat and lungs

1. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
2. Bones that surround and protect your lungs and heart
3. Muscle that helps your lungs pull in air and push it out
4. and Nose Openings that let air inside the body into the system
5. Tube that delivers air from your mouth and nose to the trachea
7. Hollow areas that help regulate the temperature and humidity or the air you inhale
10. tubes tubes at the bottom of your windpipe that connect into each lung
12. Two organs that remove oxygen from the air and pass into your blood