1. Name the organs forming the respiratory passageway from the nasal cavity to the alveoli of the lungs. 2. Explain how the respiratory muscles cause volume changes that lead to breathing. 3. Sally has a vital lung capacity of 3900 ml. Her tidal volume is 400 ml. Her expiratory reserve volume is 1000 ml. What is her inspiratory reserve volume?
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1. Name the organs forming the respiratory passageway from the nasal cavity to the alveoli of the lungs. 2. Explain how the respiratory muscles cause volume.
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1. Name the organs forming the respiratory passageway from the nasal cavity to the alveoli of the lungs.
2. Explain how the respiratory muscles cause volume changes that lead to breathing.
3. Sally has a vital lung capacity of 3900 ml. Her tidal volume is 400 ml. Her expiratory reserve volume is 1000 ml. What is her inspiratory reserve volume?
FunctionFunction: supply O2 to the blood and remove CO2
Uncontrolled growth of abnormal cells in lungs #1 cause of cancer deaths Leading cause = SMOKING Low survival rate (avg. 9 mths after diagnosis) Contributes to atherosclerosis, heart disease TreatmentTreatment: remove diseased lobes, radiation,
chemotherapy
Asthma: inflamed, hypersensitive bronchial passages that respond to irritants
Bronchitis: bronchi swollen and clogged Pneumonia: inflammation of lung caused
by infection Tuberculosis (TB): infectious disease