The digestion is partly external in the prey itself. The liquefied contents are sucked into the alimentary canal by the sucking stomach that is located in the cephalothorax . The particles in the food are filtered out by means of many hairs around and in the mouth. The filtering is so efficient that it can separate the particles in Indian ink from the liquid. From the sucking stomach the food is transferred via the intestine to the midgut which is located in the abdomen where secretory cells release enzymes which digest the food further.
Resorptive cells take up tiny globules of food and continue the digestion.
In this process, the food is broken down to a molecular size. The midgut finally ends in the cloacal chambers where the faeces are stored. Meta segmentata eating a fly. Breathing The breathing system of spider is different from ours. There are two separate systems involved, book lungs and tracheae .