Best Answer

Urine is a waste product that the kidneys filter out of blood, and water.

How people pee:

When you have to pee, nerve endings in your bladder tell you that you have to empty your bladder. When you are ready to pee, you relax muscels in your blatter and the pee flows out of your body through the urethra, the tube that leads pee out of your body.

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13y ago
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Q: What is urine and how do people pee?
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