cấu tạo hệ xương người My Urine Story

CinderBrough posted on Mar 13, 2010 at 12:13AM
I was watching House season 2 ep. "All in" when I discovered something out of no where! It hit me that your urine comes from your blood! I never knew it until last summer. So since then I've been particularly interested in the kidneys and how they function so.. again, thanks House!

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