Capillary structure and permeability
What Capillary structure and permeability means in Biology A-Level, as defined for OCR.
Definition of Capillary structure and permeability
Check what you remember
Read the wording for your board, then hide it and explain Capillary structure and permeability in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The capillary wall is thin and permeable, allowing exchange between plasma and tissue fluid surrounding cells.
Topics that use Capillary structure and permeability
- Transport in animals (OCR A-Level)
Related terms
- Association and dissociation of oxygen
- Carbon dioxide transport forms
- Control of blood distribution by arterioles
- cooperative binding
- double circulation
- Exchange at capillaries and return of blood in veins
- Heart anatomy
- Heart rate and rhythm interpretation
Using Capillary structure and permeability 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge