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  • 06-12-2019
  • Biology
contestada

Why do large organisms require a circulatory system

Respuesta :

dasiymusicplays
dasiymusicplays dasiymusicplays
  • 06-12-2019

Answer:

They cannot rely on diffusion. Cells are not in direct contact with the enironment, and substances in one part may be needed in another

Explanation:

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