gas exchange 0.0 / 5 ? BiologyHuman, animal and plant behaviourASAQA Created by: Bethany BarbyCreated on: 04-02-15 14:05 What structure do insects use to exchange gas? Tracheae 1 of 12 What are pores on the tracheae called? Spiracles 2 of 12 What do the tracheae branch off into? Tracheoles 3 of 12 To reduce water loss insects surface area to volume ratio is? Small 4 of 12 What gas does the insects cirulatory system not transport? Oxygen 5 of 12 What is one way respiratory gases move in and out of the tracheae? Diffusion Gradient 6 of 12 What is another way? Ventilation 7 of 12 What is one adaptation of teh tracheoles to increase diffusion rate? Thin Walls 8 of 12 What is another? Permeable walls 9 of 12 To reduce water loss insects have what around their spiracles? Tiny hairs 10 of 12 What do they use to close their spiracles to control water loss? Muscles 11 of 12 What feature of their surface helps with water control? Waterproof 12 of 12
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