<span>Phosphorus. Phosphorus is another element that is essential for bone growth. 85% of our body's phosphorous is incorporated in our bones as calcium phosphate.</span>
B. Outside the nucleus of an atom. Unlike protons and neutrons, which are located inside the nucleus at the center of the atom, electrons are found outside the nucleus. Because opposite electric charges attract each other, negative electrons are attracted to the positive nucleus.
Mutation can cause DNA to change
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For a limb to regenerate, you need bone, muscle, blood vessels and nerves. There are adult stem cells, a kind of undifferentiated cell that can become specialized, that regenerate muscle, but they don't seem to activate.
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