6.1 Exchange between organisms and their environment
6.2 Gas exchange in single-celled organisms and insects
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6.3 Gas exchange in fish
6.4 Gas exchange in the leaf of a plant
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6.5 Limiting water loss
6.6 Structure of the human gas-exchange system
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6.7 The mechanism of breathing
6.8 Exchange of gases in the lungs
6.9 Enzymes and digestion
6.10 Absorption of the products of digestion
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Section 3 Organisms exchange - Chapter 6 Exchange - Practice questions & Answers
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