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What is AQA AS Biology Lung Disease Answers about?
This document provides practice exam questions and answers about lung function and lung disease. It defines key terms like tidal volume, ventilation rate, and pulmonary ventilation. It explains that a normal breathing cycle takes 4 seconds, with air inhaled over 0-2 seconds and exhaled over 2-4 seconds. The tidal volume is 0.45 dm3 and ventilation rate is 15 breaths per minute, resulting in a pulmonary ventilation of 6.75 dm3 per minute. Common explanations for lung disease include reduced surface area, dam
- Author
- Richard
- Language
- EN