Respiratory System

4. Oxygen enters the body
6. Part of respiratory and digestive systems, flap of cartilage that closes over trachea to allow food to pass to esophagus
7. Groups of cells that transfer oxygen from lungs to blood
10. Muscle that allows movement of lungs (inhaling and exhaling)
11. Branched smaller tubes of the bronchi

1. Made up of 2, location where air enters the lungs
2. Organ in lower part of throat that contains the vocal cords
3. Transport oxygen in blood from alveoli in lungs to the rest of the body
5. occurs in cells and lungs, moving gases between external environment and internal environment
8. Part of respiratory and digestive systems, cavity where oxygen or food pass though
9. Tube allowing oxygen to travel from pharynx to bronchi