| A | B |
|---|
| cephalothorax | front part of the body joining the head and thorax |
| abdomen | back part of the body shaped like a bulb |
| sucking stomach | large muscles used to suck i the spider's liquid food |
| heart | located on the back of the abdomen |
| carapace | a tough plate that protects the cephalothorax |
| silk | strong material used to construct webs, egg sacs, as a life line |
| trachea | tubes where gasses are exchanged with the blood |
| spinnerets | used to spin silk into threads and webs |
| thorax | second part of spider's body |
| book lung | hollow leaf-like structures through which the blood flows |
| femur | third, often the largest part of leg |
| pedipalp | short leg-like parts close to mouth that helps to catch and hold prey |
| poison gland | where venom is made and stored |
| chelicera | jaws at the front of the head |
| fang | piercing parts of these jaws used to bite prey |
| spigots | openings on spider's tail end where silk shoots out |
