biology

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why is the heart suited to its funtion and why is the respiratory system suited to its function

  • biology -

    Go back to those sites I gave you. What does the heart have that makes it the only thing that can do what it does?"

  • biology -

    Isn't it amazing that where the heart is, two blood pumps are needed, one pump to pump blood through capillaries in the body, and another pump to move blood through a gas exchange system of capillaries.

    What is more remarkable, the respiratory system seems to fit the need for a gas exchange system.

  • biology -

    ive put about the pump and all that but i need more info on why its good at its job

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