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Yellow Module
Respiratory System Review- Short Answer
Question | Answer |
---|---|
Describe the nasal cavity. | A chamber lined with mucous membranes and tiny cilia |
What are olfactory neurons? | Receptors for the sense of smell |
What happens to CO2 as it enters the pulmonary capillaries? | Diffuses from the blood and enters the alveolar spaces |
What happens to the diaphragm when we breathe? | - contracts during inspiration - relaxes during expiration |
What is external respiration? | Exchange of O2 and CO2 between the alveoli and the blood in the pulmonary capillaries |
What is internal respiration? | Exchange of O2 and CO2 between body cells and the blood in the systemic capillaries |
What is pulmonary ventilation? | Breathing |
Describe the transport of respiratory gases. | When blood transports CO2 to the lungs and O2 to the body cells |
What is the respiratory system responsible for? | The exchange of O2 and CO2 |
What are exudates? | Fluid that is usually high in protein and often contains blood and immune cells |
What are transudates? | Non-inflammatory fluid that resembles serum but with slightly less protein |
What are the causes of asthma? | Allergens, irritants, stress, cold, exercise |
What are the three major disorders included in COPD? | Asthma, chronic bronchitis, emphysema |
What is emphysema? | Characterized by decreased elasticity of the alveoli |