Tuesday, August 19, 2014
spiracles
the little holes on the side of a caterpillar, and butterflies, are called spiracles. they breathe through these holes. the spiracles are connected to a network of airtubes that carry oxygen through their bodies.
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the little holes on the side of a caterpillar, and butterflies, are called spiracles. they breathe through these holes. the spiracles are connected to a network of airtubes that carry oxygen through their bodies.
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Post a Comment