DIGESTIVE SYSTEM: PARTS
The digestive tract or alimentary canal of insects is a duct,
usually somewhat coiled that extends from the mouth to the anus
EXCRETOR SYSTEM:
MALPIGHI TUBES
Malpighi tubes or tubules (in
reference to Marcello
Malpighi) are an excretory
and osmoregulatory system
present in insects, myriapods,
arachnids and tardigrades.