Answer:
Its body temperature goes down.
Step-by-step explanation:
While in hibernation, a woodchuck's body temperature drops from 99°F to 40°F.
This mammal is known to have hibernation, and traditionally in the United States, it is predicted what the weather will be like. His hibernation lasts up to 5 months, during which time his heart rate can range from 80 to 100 minutes and decrease to 10.