Blood circulation in heart
Blood circulation in heart:
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Low-oxygen blood enters upper-right chamber,comes into lower-right chamber,goes to lungs to fill it with oxygen,comes back into upper-left chamber,goes into lower-left chamber to circulate it in heart first and brain at next and go back to stomach,hands and other organs later.
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Low-oxygen blood enters upper-right chamber,comes into lower-right chamber,goes to lungs to fill it with oxygen,comes back into upper-left chamber,goes into lower-left chamber to circulate it in heart first and brain at next and go back to stomach,hands and other organs later.
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