Question

what is exo skeleton​

Answer 1

An exoskeleton (from Greek έξω, éxō "outer" and σκελετός, skeletós "skeleton") is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. ... Some animals, such as the tortoise, have both an endoskeleton and an exoskeleton.