Description
and histology laboratory instruction
fabricated from glass tubing 6 mm bore
Mounted Zener diode on a transparent base with 4mm color-coded sockets and a printed circuit diagram
Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input
field lines
Ring and Ball Apparatus with Stand Glass Bottles_BOD Bottles and histology laboratory instructionStand mounted ring and ball thermal expansion apparatus, dropping freely through the ring when cool but stopped by the ring once flame heating expands the ball.
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