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Joint Photographic Experts Group Image  |  2007-06-20  |  53.7 KB  |  500x193  |  16-bit (10,349 colors)
   ocr: Alveolus (air sac) inlung a - Bloodi membrane capllary oo (A) (B) (D) Aed blood cell Diffusionc receiving oxygen (A) A small ump of sugar is placed into a beaker ofy water, its molecules dissolve and Example of deusion in the human body: Oxygen begin 1o datuse outward. (B andc) The sugar molecules continue 10 affuse through the diffuses from an alveolus in al lung ahere t is in watert from an area of greater concentration to an area of lesser concentration. groater concentration, across the blood capilary (D) Over time, the sugar molecules are ovenly distributed throughoutt the water, membrane ...