Seudónimo Seudónimo
  • 06-12-2018
  • Biology
contestada

why do mammals have a double circulation system????

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pmartin68 pmartin68
  • 06-12-2018

The majority of mammals (including humans) utilize a double circulatory system. ... Double circulatory systems are important because they ensure that we are giving our tissues and muscles blood full of oxygen, instead of a mixture of oxygenated and deoxygenated blood.

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