Biology A-Level
Control of blood distribution by arterioles
What Control of blood distribution by arterioles means in Biology A-Level, as defined for OCR.
Definition of Control of blood distribution by arterioles
Check what you remember
Read the wording for your board, then hide it and explain Control of blood distribution by arterioles in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Smooth muscle in the wall changes lumen diameter, so vasoconstriction and vasodilation direct blood to different capillary beds.
Topics that use Control of blood distribution by arterioles
- Transport in animals (OCR A-Level)
Related terms
- Association and dissociation of oxygen
- Carbon dioxide transport forms
- cooperative binding
- double circulation
- Exchange at capillaries and return of blood in veins
- Heart anatomy
- Heart rate and rhythm interpretation
- Hydrostatic versus osmotic forces
Using Control of blood distribution by arterioles 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