Biology — Endoskeleton vs Exoskeleton
Two body-support strategies.
Make it your own.
title "Endoskeleton vs exoskeleton"
set N "Endoskeleton"
set X "Exoskeleton"
only "N" "Internal; living tissue; grows with the animal; vertebrates"
only "X" "External cuticle of chitin; must be moulted to grow; arthropods"
intersect "N,X" "Provide support and protection; anchor muscles for movement"