Class 6 · Science · Medium level · 8 questions
Respiratory System: Medium 2
How air reaches the blood, and what breathing is actually for. In Class 6 Science the topic covers breathing and respiration are different, the route air takes, the alveoli and gas exchange. This quiz is a step up: the questions ask you to use the ideas as well as recognise them. 8 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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