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>affect the nervous systems of arthropod prey and interfere with nerve-muscle impulse transmission, resulting in paralysis. Venom also helps with the chemical break down of prey tissues. When feeding the spider regurgitates enzyme rich stomach fluids over and into its prey. This external digestion by venom and stomach chemicals, often aided by the grinding, masticating action of the fangs and toothed jaw bases and maxillae, reduces the prey's body and tissues to a chitinous soup. The liquid is sucked up through the spider's tube-like mouth, aided by the action of the pumping stomach, leaving the hard parts behind. Spiders like flower spiders (Thomisidae) inject digestive fluids into the bitten prey and suck out its liquefied internal tissues, leaving an almost intact body husk behind.
