I would assume that because of not only sports but because of what americans do, like eat alot or smoke etc. it can effect organ systems because the heart has veins leading to every other organ, when the heart stops, the organs stops too.
Everything except sex cell which are produced by meiosis.
The third sub level. On the periodic table it is the 3rd row
Answer: Down a Concentration Gradient refers to going from regions of high concentration of some entity to regions of low concentration, and such movement generally occurs spontaneously, that is, if allowed to happen it happens. ... Concentration gradients can be either gradual or instead abrupt.
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Different beaks are adapted for differnt food soruces, because if a bird or animal needs a beak to scoop up animals it will be shaped differently than a bird/ animal who needs to insert said beak into the ground.
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