metalica
29-12-2008, 14:40
السلام عليكم ورحمة الله اريد صورا توضح التبادلات الغازية عند الانسان
و شكراا
مغربية وأفتخر
12-02-2009, 19:09
http://i288.photobucket.com/albums/ll191/sallmaaa21/res6.png
http://i288.photobucket.com/albums/ll191/sallmaaa21/res1.png
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http://i288.photobucket.com/albums/ll191/sallmaaa21/res4.png