Excretion - Flowering Plants & Human
A collection of videos and experiments that are suitable for Biology. Here we look at excretion.
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More Lessons for Biology
High School Biology Lessons
GCSE/IGCSE Biology Lessons
2.67 Recall the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf.
2.68 Recall that the lungs, kidneys and skin are organs of excretion.
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