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SNC2D0 The Respiratory System The Respiratory System is responsible for: _____________________________________________________ _____________________________________________________ ____________________________________________________. I breathe ___________ per _________?? And I move ___________ of air in and out of my lungs __________day? SNC2D0 The _______________ system relies on the _________________ system to distribute __________ to the cells and to remove _________ _____________. O2 O2 CO2 CO2 (Figure #1, page 91) Purpose of the Respiratory System Gas Exchange – Alveoli: Homework: CO2 O2 Pg 91-95 Q# 1-6, Pg 98 Q# 1-6 SNC2D0 Breathing You just try to hold your breath!! Mechanics of Breathing 1. Diaphragm _________, increasing _________, decreasing __________, air moves _____ lungs. 2. Diaphragm _________, decreasing _________, increasing _________, air moves ____ of lungs. Exhalation Volume ____________ Inhalation Volume __________ Diseases of the Respiratory System: 1. Tuberculosis: contagious; caused by _________ in the lungs; symptoms are _______, ________, ___________, ________ and ____________; diagnosed by ____________; treatment is __________ or _________ in hospital. 2. Cancer: Lung cancer caused by carcinogens 3. SARS: Severe Acute Respiratory Syndrome. Flu-like symptoms; X-rays shows proof of pneumonia Respiratory System in Other Animals: In fish, the gas exchange organs are _________. Summarize how gas exchange happens in fish.