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Pharm 104 Respiatory

Nasal Cavity

Warms and humidifies air. Also traps particles to prevent them from inhalation

Sinuses

Air-filled spaces in the cranial bones. Reduce the weight of the skull.

Pharynx

Passageway for food and air.

Epiglottis

Lid like cartilaginous structure overhanging the entrance to the larynx

Larynx

Air passageway containing the vocal cords.

Tachea

Windpipe, consists of a membranous tube.

Bronchial Tree

Lung part that branches off the trachea and then branches into bronchioles.

Alveoli

Clusteres of air sacs, basic unit of the lung. Capillaries surround each alveolus, which is composed of a single layer of epithelium

Pleura

Composed of two membranes. One covers and is attached to the chest wall and the other covers and is attached to the lung.

Diaphragm

A large dome of skeleta muscle. Takes in breath, muscles contract, moving the ribcage up and out.

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