Question

what is endoskeleton and exoskeleton?

Answer 1

An endoskeleton is the internal support of the structure of an organism.
*Endoskeleton in human beings is the structural framework of bones and cartilage. Our endoskeleton is mainly formed by 206 bones made up of mainly calcium and phosphorous. Almost all the vertebrates have this type of bones.
*Endoskeleton develops from endoderm.
*Endoskeleton structures are living.
*Some examples of endoskeleton are bone, cartilage etc.


Exoskeleton is a complex rigid outer covering of an organism which protects the muscles and soft tissues inside.
*Exoskeleton develops from ectoderm.
*Some examples of exoskeleton are scales, calcified shells, chitinous cuticle.