The composition of the air inside the lungs changes during breathing. (i) What’s the differences between inhaled air and the exhaled air. (ii) Describe three features of the alveoli which assist gaseous exchange. (b) (i) State what is meant by anaerobic respiration. (ii) Where does anaerobic respiration occur in human?l
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Slam Khalaf Paldi Islam
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We inhale air which contains more of oxygen and less of carbon dioxide. We exhale air which contains more of carbon dioxide and less of oxygen. ... (b) Gaseous exchange continues in the lungs even during expiration because expiration is the result of reverse movements of the ribs and diaphragm
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