Help me to understand because I Just can't
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Avy Evanna Janim
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#1
can someone give me some explanation about the different between the single circulation and double circulation?
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Rob da Mop
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A double circulatory system goes through the heart twice - this is the case in all mammals including humans. The blood goes from the Right side of the heart, to the lungs, to the left side of the heart, to the body and then back to the right side of the heart. It sort of does a figure of 8.
A single circulatory system goes through the heart once and is used by fish. The blood goes from the heart, to the gills, to the body and then back to the heart. It goes in a circle.
A single circulatory system goes through the heart once and is used by fish. The blood goes from the heart, to the gills, to the body and then back to the heart. It goes in a circle.
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MarkProbio
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Worth remembering a double-circulation system leads to higher blood-pressure because it passes through the heart, meaning the left ventricle can generate hydrostatic pressure twice on it's journey round the body.
This higher pressure means more tissues receive more blood.
This higher pressure means more tissues receive more blood.
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