Explain what happens inside the body that causes the breathing rate and heart rate to increase. (Your explanation should include the carbon dioxide, oxygen, respiratory system and circulatory system.)

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

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imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.