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Goosebumps help keep you warm by causing your hairs to stand up, creating a layer of insulation that traps heat close to your body.
Keep warm, and try not to become frightened.
People get goosebumps when they're cold, or thrilled. Goosebumps are caused by tiny muscles, controlled by nerves to keep you warm.
When it's cold, the hair on your skin stands up to trap heat and keep you warm. This is known as goosebumps. When it's hot, the hair lies flat to allow heat to escape and help cool you down.
If you get too cold, your brain alerts your body that it should take steps to warm up. Goosebumps are one of those signals. They're also an attempt to trap warm air next to your skin and let you hold on to your body heat.
Stay Warm
The walrus has a thick layer of blubber beneath the skin to keep it warm.
to keep the polar bear skin warm
to keep warm
no it is only to keep them warm
its mainly their body heat rather than their skin
To keep them warm and to provide protection to their skin.