US$ 29.99
Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input
Used to step a class through wave superposition and beat frequencies
and optic nerve
and major vessels of the human heart
Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary
Battery Box, Model C Capacity_50mL Shows oxygenated and deoxygenated bloodUsed to enclose dry cells safely for student built circuits, this battery box adds insulated terminals and prevents short circuits from rolling cells touching exposed lab metalwork.
US$ 29.99
US$ 29.99
US$ 700.00
US$ 49.99
US$ 29.99
US$ 29.99
US$ 29.99
US$ 14.95
US$ 29.99