The middle section of the insect's body
thorax
The end section of an insect's body
abdomen
Insects kind of circulatory system
open
Mating between one male and one female
monogamy
Mating with one male and many females
polygamy
Mating between one female and many males
polyandry
The insect's heart
dorsalvessal
Molecules moving from a very concentrated area to one less concentrated
diffusion
A solid outside structure
exoskeleton
The part on an insect's head that feels humidity and the weather
antenas
Flexible limbs
anthropod