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In ________ flow the equilibrium is never reached thus this allows for constant diffusion.

بہاؤ میں توازن کبھی نہیں پہنچ پاتا اس طرح یہ مسلسل پھیلاؤ کی اجازت دیتا ہے۔ _____

Answer: Counter current

Explanation
  • In counter-current flow, equilibrium is never reached, enabling constant diffusion of gases like oxygen.
  • This mechanism maximizes efficiency in gas exchange, especially in fish gills.
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