Biology GCSE
osmotic challenges
What osmotic challenges means in Biology GCSE, as defined for OCR.
Definition of osmotic challenges
Check what you remember
Read the wording for your board, then hide it and explain osmotic challenges in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
High sweating, dehydration, excess water intake and high salt intake are challenges to which the body responds by altering thirst and antidiuretic hormone release.
Topics that use osmotic challenges
- 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 osmotic challenges in the exam
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