What is this?
Gas exchange in insects is how these amazing creatures get the oxygen they need to live and get rid of the waste gas, carbon dioxide. Instead of lungs, they use a special system of tubes that reach every part of their body. It's like a tiny, built-in air delivery system!
Key Parts to Explore
Spiracle
These are tiny openings on the outside of an insect's body where air enters and leaves.
Trachea
These are large, air-filled tubes that branch off from the spiracles and carry air deeper inside the insect.
Tracheoles
These are very tiny, thin tubes that branch off the trachea and deliver oxygen directly to individual cells.
Air Sacs
Some insects have these balloon-like structures that help to pump and store air within their breathing system.
Did You Know?
Did you know that insects don't have lungs like humans, but instead breathe through tiny holes all over their bodies?
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