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3 Cards in this Set
- Front
- Back
Defenses of the respiratory tract |
Mucus- entraps microorganisms. Cilia- push microorganisms and mucus up and out of respiratory tract. Cough reflex. |
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Relaxed state |
Diaphragm and intercostal muscles relaxed |
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Inspiration (inhale) |
Diaphragm contracts pulling muscle down. Intercostal muscle contract evelating chest wall expanding volume of chest, lowering pressure in lungs pulling air |