Answer:
There is no mixing of oxygen-rich and oxygen-poor blood.
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The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.
Answer:
A: 250 N to the right
Explanation
got it right on a quiz apx learning
Answer:
it is all the waters on the earth's surface not in the earth
Hope This Helped
I believe it is 'white fur' because living in the Tundra means it is snowing. Snow is white, so basically, the white fur is specifically for the Tundra.
I hope it helps.
Answer:
D
Explanation:
This is because the atmosphere is refreshable and makes breathing so conducive.
