Biology GCSE
Defence and clotting
What Defence and clotting means in Biology GCSE, as defined for AQA.
Definition of Defence and clotting
Check what you remember
Read the wording for your board, then hide it and explain Defence and clotting in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
White blood cells contain a nucleus, which supports defence functions such as engulfing pathogens or producing antibodies, while platelets are small cell fragments that help blood clot.
Topics that use Defence and clotting
- Blood (AQA GCSE)
Related terms
Using Defence and clotting 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 GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge