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1. Where does gaseous exchange take place in an earthworm?moist skinbody surfacelungsgills​

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ANSWER:

The Body Surface. Flatworms and annelids USE their outer surfaces as gas exchange surfaces. EARTHWORMS have a series of thin-walled blood VESSELS known as CAPILLARIES. Gas exchange occurs at capillaries located throughout the body as well as those in the respiratory surface.

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