EARTHWORM ANATOMY
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20 Terms
Mouth
Takes in organic matter
Where is the mouth located?
1 buccal cavity (anterior)
Pharynx
Takes in food and pushes it to the esophagus
Where is the pharynx located?
2
Esophagus
Transfers food to the crop
Where is the esophagus located
3
Crop
Stores food
Where is the crop located?
5
Gizzard
Grinds food mechanically Grind and Gizzard
Where is the gizzard located?
6
Anus
Expels undigested material
Where is the anus located?
3 (posterior)
Intestine
Chemically digests and absorbs nutrients
Where is the intestine located?
8
Nephridia
Filters out nitrogenous waste (ammonia/urea) and releases through pores
Where is the nephridia located?
9
Aortic Arches
Pump blood to circulate through the body
Where are the aortic arches located?
10 (heart)
Dorsal Blood Vessel
Distributes blood
Where is the dorsal blood vessel located?
7
