Insects have a large internal network of tubes. What are the larger ones called?
Tracheae.
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Gas exchange in Insects occurs at small pores on the surface of their bodies. What are these small pores called?
Spiracles.
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These pores open periodically to allow gas exchange. How do they do this?
They are controlled by valves.
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It is important for insects not to lose too much water. By which process might they lose water?
Evapouration.
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What do insects have to prevent water loss?
A rigid outer skeleton with a waterproof covering.
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Insects also use muscles to create the mass movement of air in and out of their internal tubes to increase the rate of gas exchange. What is this process called?
Ventilation.
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Other cards in this set
Card 2
Front
Gas exchange in Insects occurs at small pores on the surface of their bodies. What are these small pores called?
Back
Spiracles.
Card 3
Front
These pores open periodically to allow gas exchange. How do they do this?
Back
Card 4
Front
It is important for insects not to lose too much water. By which process might they lose water?
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