Exchange and transport 3.0 / 5 based on 1 rating ? BiologyBiological moleculesASOCR Created by: [email protected]Created on: 20-12-14 11:14 What do all exchange surfaces have in common? -Large S.A -Thin barrier -Fresh supply of molec. 1 of 5 Examples of exchange surfaces? -Small intestine, where nutrients are absorbed 2 of 5 How lungs are adapted for exchange? -Large surface area -Thin barrier to reduce diffusion distance 3 of 5 Describe inhalation? Diaphragm contracts, intercostal muscles contract to rise rib 4 of 5 Describe exhalation? Diaphra 5 of 5
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