Answer:
Osteoclasts then become more active without estrogen, and your body breaks down more bone. Certain medical conditions and some medications can speed up the process of osteoporosis. This is called secondary osteoporosis.
Answer:I think it is part B
Explanation:
<span>presence of protoplasm, self built organisms, self repair, reproduction and various life process like metabolism, nutrition, respiration, exchange of material, transportation, excretion and irritability.</span>
C, Algea... DO NOT HAVE ALCOHOL... Thank you and hopes this helps XD
Answer:
They contain protein fibres that can contract when energy is available, making the cells shorter.
