Features of transport systems

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  • Features of transport systems
    • Transport medium
      • E.g blood
      • Normally liquid based on water
      • Water readily dissolves substances, can be moved around easily
      • Can be a gas e.g. air
    • Mass transport
      • Transport medium moved around in bulk
      • Over large distances
      • More rapid than diffusion
    • Closed system of tubular vessels
      • Contains transport medium
      • Forms branching network
      • Distributes to all parts of organism
    • Mechanism for moving transport medium
      • Requires pressure diffrence
      • Within vessels
      • Between different parts of system


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