A. It permits gaseous exchange
B. It contains joints, for the same purpose as present in human skeletal system
C. It provides muscle attachment
D. Like all the other types of exoskeleton, they lack sensation
A. It permits gaseous exchange
B. It contains joints, for the same purpose as present in human skeletal system
C. It provides muscle attachment
D. Like all the other types of exoskeleton, they lack sensation