Please answer this: Answer this question: what is blood urea?
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Answer: The liver produces urea in the urea cycle as a waste product of the digestion of protein .

Please answer this: Answer this question: where does ground pepper come from?
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Answer: Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning .

Please answer this: Answer this question: how many innings makes an official game?
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Answer:
Since most professional baseball games are nine innings long, the fifth inning is used as the threshold for an official game.