O Level · Biology · Medium level · 7 questions
Human Nutrition & Transport: Medium 2
Diet, digestion and absorption, then the heart and circulation, two systems that share one idea: surface area and gradients decide everything. This quiz is a step up: the questions ask you to use the ideas as well as recognise them. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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Your score is saved against Human Nutrition & Transport, so you can see which topics are solid and which need another go.