Respiratory System

3. Involved in air intake and they bring air into the nose, where air is warmed and humidified
4. The secondary external opening for the respiratory tract
6. Pumping and transporting is to exchange oxygen and other nutrients for waste products
8. The process of moving air into and out of the lungs to facilitate gas exchange
15. the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen
16. The tiny sac like structure present in the lungs which the gaseous exchange takes place
18. A dome-shaped muscle at the bottom of the lungs breathing starts

1. pumps the deoxygenated blood to the lungs were it receives oxygen to spread throughout the body
2. bronchi branches off into smaller tubes called __________ which end in the pulmonary alveoli
5. The inside of the nose
7. Two air tubes that branch off of the trachea and carry air directly into the lungs
8. the thin fluid-filled space between the two pleurae of each lung
9. A chemical element with symbol O that is what you breath
10. A chronic inflammatory disease of the airways in which it makes it harder to breath
11. A flap that is made of elastic cartilage tissue covered with a mucous membrane, attached to the entrance of the larynx
12. A short section of the airway that connects the laryngopharynx and the trachea
13. Filters the air we breathe and branches into the bronchi
14. The way yo take in oxygen and breath out carbon dioxide
17. The main organs of the respiratory system, where the oxygen is taken into the body and carbon dioxide is breathed out
19. Muscular funnel that extends from the posterior end of the nasal cavity to the superior end of the esophagus and larynx