12 MEDICAL DEVICE REGULATIONS In Canada, devices of classes III and IV are subject to in-depth regulatory scrutiny,while class II devices require only the manufacturerâs declaration of device safety andeffectiveness before sale.
No problem: Polar bears in the study were seen swimming distances of 90 miles without any problems - and some bears went a lot further Scientists discovered that during the summer months, when sea ice is at its minimum, the bears were swimming farther and for longer periods of time than ever before in search of new hunting grounds.
Male Polar Bears The average adult male is 8.5 feet (2.6m) but can grow up to 10 feet (3m) in height. The male weights between 775 and 1,500 pounds (350 and 700 kilograms). Female Polar Bears The average adult female is 6.5 feet (2m) in height.The female weights between 500 and 600 pounds (227 and 272 kilograms). The female polar bear is smaller than the male polar bear.he male weights between 775 and 1,500 pounds (350 and 700 kilograms). Female Polar Bears The average adult female is 6.5 feet (2m) in height. The female weights between 500 and 600 pounds (227 and 272 kilograms).