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.
How big is an adult polar bear? Adult males weigh 800-1500 pounds, are 8-10 feet long and 5 feet high at the shoulder, and up to 11 1/2 feet tall when standing.ale Polar Bears weigh from 770 to 1760 lb,stand near 5.3 feet tall and are 12 feet long.Female Polar Bears weigh from 440 to 750 lb,stand 4.4 feet tall and are 9.5 feet long. + 2 others found this useful.