Your two kidneys, if healthy, filter the water in your blood ​ — about five quarts [6 L] in an adult — ​ every 45 minutes!
فَبِحُلُولِ نِهَايَةِ ٱلشَّهْرِ ٱلثَّانِي ،‏ كَانَتْ أَعْضَاؤُكَ ٱلرَّئِيسِيَّةُ ،‏ بِمَا فِيهَا كُلْيَتَاكَ ،‏ قَدْ تَشَكَّلَتْ .‏