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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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mandy! mandy!
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11 years ago
1.) if you increased the relative amount of collagen in a bone, while keeping the calcium levels the same, how would the physical characteristics of the bone be changed?

2.) astronauts exercise in space on a daily basis, yet they still have problems with bone weekness when they stay in space for extended periods. why does this happen?
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10 years ago
2) Their entire skeletons don't bear any weight. They go through a period called skeletal unloading, in which bones lose the ability to make new bone cells and replace old ones. The movement of important minerals such as calcium and phosphorus also slows down.
hope I helped Slight Smile
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