1. Shantanu Kumar
  2. Science 10
  3. Thursday, June 16 2016, 03:41 PM
Why do mammals require more extensive respiratory surface?
Md. Shahrukh Accepted Answer Pending Moderation
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Mammals need more oxygen to meet the requirement of their high metabolic rate. Therefore, they need extensive respiratory surface.
  1. more than a month ago
  2. Science 10
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