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.
Polar bears have adapted to be able to live in the water and on land. Unlike other bear species, the polar bear are excellent swimmers, and have been spotted more than 100 miles away from land or ice. The polar bear habitat is that of the entire Arctic region. They can be found the cold and at times unforgiving land. Polar bears can be found swimming in the frigid oceans waters, or adrift on ice. The polar bears main habitat is on offshore pack ice, and along costs and island of the Arctic region. Over 40 per cent of all polar bears living today live in Northern Canada, on pack ice and along the shores of the many island there.