Longman Science Biology 10

Longman Science Biology 10

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How are the lungs designed in human beings to maximise the area for exchange of gases? 15. How are water, nutrients and food transported ... Draw and label the parts of the human excretory system. 19. What is osmoregulation? How does itanbsp;...

Title:Longman Science Biology 10
Author:Tewari Akhilesh
Publisher:Pearson Education India - 2008-09-01


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