Biology A (Salters-Nuffield) A-Level
Gaseous exchange
What Gaseous exchange means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Gaseous exchange
Check what you remember
Read the wording for your board, then hide it and explain Gaseous exchange in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Reduced when mucus obstructs airways and bronchioles, which also increases infection risk.
Topics that use Gaseous exchange
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Gaseous exchange 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 A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge