The mammalian gaseous exchange system 0.0 / 5 ? BiologyExchange and transportA2/A-levelOCR Created by: Grace_FlowerdayCreated on: 20-11-19 10:21 68934215710 Across 1. This divides from the trachea and leads to the lungs. Similar to the trachea but smaller than it. (8) 4. Tiny sacs, which are the main exchange surfaces for the body. (7) 5. Taking in or inhaling air which is an energy process. (11) 7. The result of the divided bronchi (11) 10. The main airway carrying clean, warm, moist air down to the chest from the nose. (7) Down 2. Breathing out (10) 3. What is in the alveoli to make it stay inflated? (4, 10) 6. The broad domed sheet of muscle that forms the floor of the thorax. (9) 8. They have a high____rate (9) 9. The cells that secrete mucus onto the lining of the trachea. (6, 5)
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