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# Spot on.
They have no circulatory system and simply absorb oxygen through their spirocles(sp?).

*edit* Not sure about the leg curling bit, but it sounds reasonable.
(, Wed 20 Oct 2004, 1:13, archived)
# well...
spiders move their legs by pumping blood in and out of them so they extend and move arond. So...when they have no more blood their legs curl up.

*takes off nerd glasses and scientist coat*
(, Wed 20 Oct 2004, 2:08, archived)