science diagram heart medicine artfavor medical
Heart Medical Diagr..…
A cross-section view of the human brain as viewed from the front.
Source: http://commons.wikimedia.org/wiki/File:C..…
Sodium (blue) and chloride (green) in a crystal arrangement (3D), as in common table salt. Drawn in Inkscape.…
black diagram people man white well historic
Historic Well Diagram ..…