A human skeleton
Image as overview of the human skeletal system.
This is a full, frontal drawing of a human skeleton.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Grey Skeleton."
http://www.publicdomainpictures.net/view-image.php?image=132099&picture=grey-skeleton
PublicDomainPictures.net
Public domain.