The Side Effects of Chemotherapy on the Body. Chemotherapy drugs are powerful enough to kill rapidly growing cancer cells, but they also can harm perfectly healthy cells, causing side effects throughout the body.
The fastest bear is the Black Bear, followed by the Brown Bear, and the Polar Bear. In short, the larger the bear the slower it is. Keep in mind that even the slowest bear can still move it out at about 30 mph. The Brown Bear can run approximately 40 mph. Bears can even run sideways; still beating the fastest human runner.
Polar bears rarely live beyond 25. Range: Polar bears can swim for up to 60 miles in open water. The shark can descend to depths of 2,200m. Weapons: The bears' claws are for digging in ice, its teeth are its main weapon. The shark has rows of sharp upper teeth.