Health, 18.12.2021 15:50 dlshadowmorfe
Each winter brown bears in North America spend an average of 5 months inside of dens in a low activity state known as hibernation. During this time, they experience drastic body changes. They also do not eat, drink, defecate (poop), or urinate (pee) during this time. It is a wonder that the bears can survive each winter in this state without performing these essential body functions! Average Stats for an Adult Male Brown Bear
Fall - October
Going into Hibernation
Winter
During Hibernation
March - May
Coming out of Hibernation
Body Temperature
100°–101°F
about 88° degrees F
100°–101°F
Breathing Rate & Heart Rate
One way to measure energy used.
Normal
Very Slow
Normal
Heart Rate
40-50 beats per min
8-19 beats per min
40-50 beats per min
Weight
about 450 pounds
Not measured
about 250 pounds
Body Fat Percentage
Similar to DEXA scans—one way to measure how much fat the bear has stored.
30%
Not measured
15%
Use what you’ve learned from our investigations related to M’Kenna’s case and the data above to explain this phenomenon.
Make sure to include your claim and 2 pieces of evidence to support your claim.
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Each winter brown bears in North America spend an average of 5 months inside of dens in a low activi...
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