maramali90 maramali90
  • 06-08-2021
  • Health
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The valves in the heart open and close to move blood in between heart chambers. O a) three directions O b) two directions O c) four directions d) one direction

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gyskusatsu
gyskusatsu gyskusatsu
  • 06-08-2021
C.) four directions
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pandamille
pandamille pandamille
  • 06-08-2021

Hi,

The valves in the heart open and close to move blood in between heart chambers.

d) one direction

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