| A | B |
|---|
| clitellum | organ responsible for mucus production during reproduction |
| dorsal blood vessel | supplies blood for top of worm |
| ventral blood vessel | supplies blood for bottom of worm |
| seminal receptacle | storage organ for sperm received from another worm |
| seminal vesicle | storage organ for sperm that the worm produced |
| sperm duct | Opening that sperm exits |
| Setae | short hairs that help worm move |
| Anus | waste exits the worm |
| prostomium | upper lip |
| esophagus | passage that connects mouth to crop |
| pharynx | muscle that brings food into digestive system |
| brain | controls mental and physical actions |
| aortic arches | pumps blood to body |
| ovary | produces eggs |
| crop | stores food |
| gizzard | grinds food |
| intestines | connects gizzard to anus |
| ventral nerve cord | connects brain to the rest of the body |
