Hibernation Bear



bears of northern regions, including american black bear , grizzly bear, hibernate in winter. during hibernation, bear s metabolism slows down, body temperature decreases slightly, , heart rate slows normal value of 55 9 beats per minute. bears not wake during hibernation, , can go entire period without eating, drinking, urinating, or defecating. fecal plug formed in colon, , expelled when bear wakes in spring. if have stored enough body fat, muscles remain in condition, , protein maintenance requirements met recycling waste urea. female bears give birth during hibernation period, , roused when doing so.








Comments

Popular posts from this blog

History Shake Shack

David Aceveda List of The Shield characters

Prehistory History of Utah