1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Humans and other multicellular organisms have large bodies and require a lot of oxygen to reach ...
Important Tips to Attempt Competency-Based Question CBSE: 50% of the questions as competency-based questions in 2025 Board Exams Get Multiple Choice Question and Subjective CBQs from Heredity for 2025 ...
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