Marine

Anterior end

Anterior end

Has mouth

Posterior end

Has anus

Clitellum

Thick circular ring

Setae

hairlike structures that many segmented worms use to move

Dorsal blood vessel

Runs through whole body

Pharynx

throat, passageway for food

Esophagus

Moves food to the stomach

Crop

Thin wall, stomach

Gizzard

Thick wall, mechanically digests food

Intestine

Absorbs nutrients

Seminal vesicles

Male reproductive organs

Seminal receptacles

Female reproductive organs

Aortic arches

Series of rings, make up the heart