Medulla oblongata
What Medulla oblongata means in Physical Education A-Level, as defined for AQA.
Definitions of Medulla oblongata
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Medulla oblongata in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Processes inputs from the receptors and adjusts sympathetic and parasympathetic activity, altering heart rate, stroke volume and vasoconstriction or vasodilation.
Part of the brain stem that receives receptor information and regulates heart rate and blood vessel diameter via the autonomic nervous system.
Topics that use Medulla oblongata
- Cardiovascular system (AQA A-Level)
Related terms
- Affinity for oxygen
- Antagonistic action of the two divisions
- Anticipatory rise
- Autonomic control of heart rate
- Baroreceptors
- Bohr shift during exercise
- Cardiac output
- Cardiac output and oxygen uptake
Using Medulla oblongata 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 Physical Education 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