BIO 210L Entrance Quiz 7
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10 Terms
Respiratory System
Moves air in and out of lungs providing a surface for gas exchange
Upper Respiratory Tract
External nose, nasal cavity, pharynx
Lower Respiratory Tract
Larynx, trace, bronchi, lungs
Nasal Cavity
Inhaled air enters, keeps air clean warm and humidified
Pharynx
Shared with respiratory and digestive systems
Vocal Folds
Help prevent foreign particles from entering lower respirator system
Trachea
10-12 cm tube supported by C cartilages maintaining a passageway to lungs dividing into two primary bronchi
Terminal Bronchiole
Divides to form bronchioles, alveolar ducts, and alveolar sacs
Alveoli
Surrounded by pulmonary capillaries, serve as a surface for gas exchange between the air and blood
Capillary Walls
Site where oxygen diffuses across membrane and puts carbon dioxide back into the air
