Exam (elaborations)
AQA A level biology paper 1 Questions & Answers 100% Correct
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Describe how oxygen in the air reaches capillaries surrounding alveoli in lungs - ANSWERTrachea and bronchi and bronchioles; Down pressure gradient; Down diffusion gradient; Across alveolar epithelium; Across capillary endothelium/epithelium; Difference between species richness and index of ...
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