One-way blood flow
What One-way blood flow means in Physical Education GCSE, as defined for OCR.
Definition of One-way blood flow
Check what you remember
Read the wording for your board, then hide it and explain One-way blood flow in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Valves open and close to keep flow one-way, so blood passes from atria to ventricles and out through the semilunar valves.
Topics that use One-way blood flow
Related terms
- Aerobic respiration
- Capillaries
- cardiac output
- Double circulation
- Haemoglobin
- Heart chamber and valve structure
- Oxygenation states of blood
- Pulmonary circuit
Using One-way blood flow 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