Biology GCSE
water balance
What water balance means in Biology GCSE, as defined for OCR.
Definition of water balance
Check what you remember
Read the wording for your board, then hide it and explain water balance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Maintained by the kidneys varying the amount and concentration of urine and hence water excreted, conserving or excreting water obtained from diet and metabolism.
Topics that use water balance
- Maintaining internal environments (OCR GCSE)
Related terms
- antagonistic hormones
- antidiuretic hormone
- blood glucose regulation
- Bowman's capsule and ultrafiltration
- collecting duct permeability
- dehydration
- Glucagon
- glycogen
Using water balance in the exam
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