<span>Cane toads in Australia are considered invasive species rather than simply nonnative because: They are destructive to native species and have no natural predators.</span>
<span>The body is constantly changing, no matter what age. It has to maintain homeostasis, or balance at all times or illness/death occurs. If your body is weakened, it then becomes harder to maintain this state. If one component goes out of balance; ie, water content, it affects the whole body. Swelling(edema) CHF(serious heart problem) kidneys may be overtaxed/unable to release the extra fluid. As the body ages organs naturally become less efficient, therefore making homeostasis more challenging.</span>
<span>Contact lens solution is sterile when it is new in the bottle, but when opened it can become contaminated in a few days depending on conditions. The inside of a personal contact lens case is often very dirty.</span>