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.
The average walking speed of a polar bear is 5.5 kph (3.4 mph)When being chased or charging prey, polar bears can run as fast as 40 kph (25 mph) for short distances Polar bears are also called sea bears because of their awesome ability to swim and virtually live in water. They are capable of just over 6 mph of speed while swimming.