Abdomen
Thorax Head
Compound eye
Antennae
Heart
Dorsal
artery
Crop
Anus
Vagina
Malpighian
tubules
Ovary
Tracheal tubes
Nerve cords
Mouthparts
Cerebral
ganglion
Mantle
Hinge area
Coelom
Gut
Heart
Digestive
gland
Adductor muscle
(one or two)
Anus
Mouth
Excurrent
siphon
Shell
Palp
Foot
Mantle
cavity
Gonad
Gill
Water
flow
Incurrent
siphon