سؤال واحد للأولاد ...بخصوص الأحياء

[ATm]

جا من المقلوبه , الظاهر سؤالين

اعتقد هذا السؤال جا :

Urine differs in composition from the fluid that enters a nephron tubule by filtration because of the processes of ………. and ……….
(Answer: 25.7; 511)

6- Reabsorption …….secretion