Below are pictures of the earthworm model that
will appear in the lab practical. In the pictures, parts are labeled. It is
recommended that you first see the models before viewing these pictures, just so
you will get an idea of what you are looking at.
18-->Pharynx
Digestive
System
20--->Esophagus
22-->Crop
23-->Gizzard
24-->Intestine
Nervous System
64-->Brain
68-->Ventral Nerve
Excretory System
32-->Nephridium
Circulatory
System
51-->Aortic Arch
54-->Dorsal
Aorta
58-->Ventral Aorta
Reproductive
System
45 & 46-->Seminal Recepticles
39
& 43-->Seminal Vesicles
6-->Clitellum
Photography by Jonathon Mooney