Cambridge IGCSE Combined Science, topic 11
Gas exchange in humans
Humans need to take in oxygen and remove carbon dioxide. This topic covers the parts of the breathing system, the features of the alveoli that make gas exchange efficient, and how breathing changes during exercise.
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Worksheet
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- 1Gas exchange in humans Spec B11.1The parts of the breathing system, how the alveoli are adapted for gas exchange, and how exercise changes the rate and depth of breathing.NotesQuestions 2Flashcards 9
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