Class 8 · Science · Hard level · 9 questions
Respiration & Blood: Apply It
The reaction that keeps every cell alive, and the system that supplies it. In Class 8 Science the topic covers what respiration is, respiration is not breathing, anaerobic respiration and what blood is made of. This quiz is the hardest level, with Class 8 exam-style questions that mix the ideas together. 9 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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