Exam (elaborations)
Excretion - OCR A-Level Biology | Questions with 100% correct Answers | Verified
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What is excretion? - The removal of waste from the body that may build up and become toxic What are the main excretory products? - CO2, nitrogenous compounds and compounds such as bile pigments Why do we get rid of metabolic waste products? - They can alter the pH interfering with cell processe...
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