NCERT BOOK CLASS 10 SCIENCE CH 6 Life processes in-text question answers

  # In-text question answers-   Q 1-why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans ? Answer- In multicellular organisms all the cells may not be in direct contact with the surrounding environment.thus,simple diffusion will not meet the requirements of all the cells because diffusion is very slow process. Q … Read more