FollowingUnfollow SUCCESS! FollowingUnfollow. WebMD. 8,020 Answers. 353,508 Helpful Votes. 388 Followers. A. A healthy resting heart rate is between 60 and 100 beats per minute for adults. But the upper end of that range may mean a greater chance of serious health problems.ollowingUnfollow SUCCESS! FollowingUnfollow. WebMD. 8,020 Answers. 353,508 Helpful Votes. 388 Followers. A. A healthy resting heart rate is between 60 and 100 beats per minute for adults. But the upper end of that range may mean a greater chance of serious health problems.
The only other bear of a similar size to the polar bear is the Kodiak bear, which is a subspecies of brown bear. Adult male polar bears weigh 350â700 kg (772â1,543 lb) and measure 2.4â3 metres (7 ft 10 inâ9 ft 10 in) in total length.
Cubs at Birth. At birth, polar bear cubs weigh about 454 to 680 g (16-24 oz.) and are about 30 cm (12 in.) long. Males are born slightly larger than females. Polar bear cubs are born small and helpless, with their eyes closed. The fur is very fine at birth, making the cubs look hairless. Care of Young. Nursing. Female polar bears have four mammary glands.