Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Longitudinal section of the right kidney. Model shows kidney glomerulus, tubes, one collection tube, pyramids, kidneys orifice system, kidney pelvis, upper section of the ureter and the kidney blood vessels