US$ 1202.00
and 400 ppm
letting students trace renewable-energy conversion step by step
3 glass Griffin-form beaker shot glasses hold 3
Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input
Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks
Human Skin Model, 70X Enlarged, 13 x 9" Material_Polypropylene and 400 ppmSeventy times enlarged skin cross section reveals epidermis, dermis, and subcutaneous layers with embedded hair follicles, sweat glands, and sensory nerves.
US$ 1202.00
US$ 14.95
US$ 149.00
US$ 199.99
US$ 149.50
US$ 89.00
US$ 1025.00