adenoids

• air sac in the lung
• lymphatic tissue in the nasopharynx
• thin hairs in the mucus membrane
• breathing out

alveolus

• air sac in the lung
• tiny hair in the mucus membrane
• lungs
• lobes

apex of the lung

• top portion on the lung
• middle portion of the lung
• base of the lung
• the whole lung

base of the lung

• top portion
• where the bronchioles enter into the lungs 
• bottom of the lung on the diaphragm
• the diaphragm

bronchioles

• smallest branches of the bronchi
• the large branches off the wind pipe
• air sacs in the lung
• tiny hair in the mucus membrane

bronchus

• large branch off the wind pipe
• smallest branch off the bronchi
• tiny air sacs in the lungs
• openings through the nose

carbon dioxide

• gas expelled during expiration
• gas taken in during inhalation
• slit like opening
• voice box

cilia

• gas expelled through exhalation
• thin hairs attached to the mucus membrane
• opening in the nose
• voice box

diaphragm

• muscle separating the chest and the abd.
• lid like piece of cartilage
• breathing out
• outer layer of the pleura

epiglotis

• slit like opening
• flap of cartilage that covers the voice box
• wind pipe
• voice box