GCSE EDEXCEL B3 TOPIC 1 0.0 / 5 ? BiologyKidneyGCSEEdexcel Created by: ohhCreated on: 24-03-14 19:43 state three main roles of the kidney excretion of urea, adjusting ion levels and adjusting water levels. 1 of 5 name two things that are reabsorbed back into the kidney selective glucose and sufficient water. 2 of 5 what is osmoregulation ? this is the process of maintaining the right water content in the body. 3 of 5 what is ultrafiltration ? filtration using a medium fine enough to retain colloidal particles, viruses, or large molecules. 4 of 5 what is the final waste product called ? urine 5 of 5
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