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Substances transported — OCR GCSE Biology A J247
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Biology
OCR GCSE Biology A
Scaling up
The challenges of size
Substances transported
OCR GCSE Biology A · J247
Substances transported
What you need to know
Describe substances transported into and out of organisms based on organismal requirements.
Include oxygen, carbon dioxide, water, dissolved food molecules, mineral ions, and urea.
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Substances transported
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Previous subtopic
Exchange surfaces
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Human circulatory system
