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kodan kodan
wrote...
Posts: 331
6 years ago
Calcium levels are regulated by antagonistic hormones. This is likely because ________.
A) calcium has to be produced by the body and that production must be regulated
B) bone formation occurs only during puberty when many other hormones are present, thus careful regulation is necessary
C) both too much and too little calcium can have disastrous effects on the body, thus the levels need tight regulation
D) calcium is needed to repair bone fractures, so antagonistic hormones make sure it is available when needed
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DDALE0911DDALE0911
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Posts: 196
6 years ago
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wrote...
3 years ago
thanks
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