Physical Education GCSE
Structure and function
What Structure and function means in Physical Education GCSE, as defined for OCR.
Definition of Structure and function
Check what you remember
Read the wording for your board, then hide it and explain Structure and function in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Red blood cells have no nucleus, leaving more room for haemoglobin, and a biconcave disc shape giving a large surface area for gas exchange.
Topics that use Structure and function
Related terms
- Aerobic respiration
- Capillaries
- cardiac output
- Double circulation
- Haemoglobin
- Heart chamber and valve structure
- One-way blood flow
- Oxygenation states of blood
Using Structure and function 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.
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