Biology A-Level
Osmoregulation and water potential
What Osmoregulation and water potential means in Biology A-Level, as defined for OCR.
Definition of Osmoregulation and water potential
Check what you remember
Read the wording for your board, then hide it and explain Osmoregulation and water potential in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Control of water potential and blood volume that fails when water regulation is lost, disturbing the solute concentration of body fluids.
Topics that use Osmoregulation and water potential
- Excretion as an example of homeostatic control (OCR A-Level)
Related terms
- ADH
- Aquaporins
- Blood markers of kidney function
- Deamination and urea
- Dialysis versus transplant as treatments
- Excretion
- Filtration and reabsorption in the nephron
- Homeostasis and the internal environment
Using Osmoregulation and water potential in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge