barrier methods
What barrier methods means in Biology GCSE, as defined for AQA, OCR.
Definitions of barrier methods
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Reference: OCR
Non-hormonal physical barriers such as condoms, which have lower theoretical effectiveness due to user error but provide protection against sexually transmitted infections.
Such as condoms and diaphragms, which prevent the sperm reaching an egg.
Topics that use barrier methods
- Contraception (AQA GCSE)
- Coordination and control – the endocrine system (OCR GCSE)
Related terms
- adrenaline
- Barrier and physical methods of contraception
- blood glucose regulation
- cell elongation
- corpus luteum
- data interpretation
- data translation
- Duration and reversibility of methods
Using barrier methods in the exam
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