Warms and humidifies air. Also traps particles to prevent them from inhalation
Air-filled spaces in the cranial bones. Reduce the weight of the skull.
Passageway for food and air.
Lid like cartilaginous structure overhanging the entrance to the larynx
Air passageway containing the vocal cords.
Windpipe, consists of a membranous tube.
Lung part that branches off the trachea and then branches into bronchioles.
Clusteres of air sacs, basic unit of the lung. Capillaries surround each alveolus, which is composed of a single layer of epithelium
Composed of two membranes. One covers and is attached to the chest wall and the other covers and is attached to the lung.
A large dome of skeleta muscle. Takes in breath, muscles contract, moving the ribcage up and out.