sadejohnson626 sadejohnson626
  • 14-03-2018
  • Biology
contestada

What makes the heart such an efficient, self regulating pump?

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tinaninu30 tinaninu30
  • 14-03-2018
cardiac muscle works without tiring: heart structures make the organ effiicient: the strong septum and small size make pumping easier: and it responds to signals from the nervous system.
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