circulatory system 0.0 / 5 ? BiologyBiological moleculesASNone Created by: amyyeldhamCreated on: 04-12-14 15:15 2375164 Across 1. the pressure in humans to the lungs is (5) 4. in gaseous exchange surfaces there are many common features such as: large surface area, moist due to oxygen dissolved in fluid and thin and ... (9) 5. the pressure in humans from heart around the body is (4) Down 2. what is the gas exchange in insects called? (8, 6) 3. what are the small holes in the exoskeleton called? (9) 6. this has a double circulatory system (6) 7. this is a single circulatory system (4)
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