Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
This half-size relief model helps in understand the circulation of blood in body through brain, heart, lung, liver, spleen, kidneys and partial skeleton. Mounted on base. Numbered with key card.
Three dimensional model of male urinary system and its blood supply is free standing, enabling study from all aspects. The kidneys, adrenal & blood vessels, a section of the pelvic bone with pubic symphysis, lower portion of the bladder and prostate
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