Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
<span>Osteoporosis is most likely to be affected by : Phosporus cycle.
basically, our skeleton are the warehouse of two substance, calcium and phosporous. If our skeleton has insufficient amount of these two susbtance, it will weakened its composition and caused the osteoporosis</span>
Isotonic cells stay the same hypertonic the cells shrink and hypotonic the cells grow or swell
