On the basis of the skeleton present in the body it is of two types: 1. Exo Skeleton: The skeleton found on the exterior layer of the body and basically originates from embryonic ectoderm or mesoderm.

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Oh, sorry. Just testing out my musculoskeletal system. Whether your muscles are huge or not, so huge, ...