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.
What is the average size of a polar bear. When they are first born polar bears are approximately 1 kg in weight. By the time they first leave their dens they are around 10-15 kg in weight. The weight of an adult female polar bear is normally between the weights of 100-250 kg. The weight of an adult male polar bear is normally between the weights of 350-700 kg. The height of a adult polar bear is usually between 122-160 cm. The average adult height recorded is 133 cm. The length of an adult female polar bear is normally between 180-240 cm. The length of an adult male polar bear is usually between 240-300 cm. These sizes make the polar bears the largest bears in the world.