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Phylum Annelida

Vocabulary for Apalogia

TermDefinition
Symmetry Bilateral
What are they made up of? Segments
Clitellum a barrel-shaped structure that aids in reproduction
mouth an opening located at the Anterior end of a segmented worm
pharynx an organ that sucks soil so it can travel to the crop
crop an organ that stores soil
gizzard an organ that grinds soil using muscular contractions
intestine an organ that passes excess soil out to the anus
nephridia small organs that gather the waste products of metabolism and push them through the nephridiopores
The organs of the digestive system Clitellum, mouth, pharynx, crop, gizzard, intestine, and nephridia
Dorsal blood vessel and ventral blood vessel Two main blood vessels that are linked together by aortic arches and perform functions much like those of a heart
Cuticle a moist layer that covers the epidermis
Ganglia masses of nerve cell bodies that control the nervous system
ventral nerve cord a cord that travels down the earth worm that can sense touch, light, and certain chemicals
Seminal vesicles organs that store sperm
oviducts organs that store ovaries
Seminal reciprocals an organ that, during reproduction, contains the sperm from the seminal vesicles
Created by: ii_UnkownWaterz
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