Why Do We Get Goosebumps?

The video explains goosebumps, small bumps on the skin caused by cold or strong emotions. It details the biological mechanism involving tiny muscles contracting around hair follicles. Goosebumps are compared to a goose's skin and are common in animals with fur. They help retain heat and can make animals appear larger when scared. Humans experience them similarly, though less effectively due to lack of fur.

What causes the tiny bumps known as goosebumps to form on your skin?

• The skin becomes dry and flaky.

• Tiny muscles around hair follicles contract.

• The skin expands due to heat.

• The body releases sweat.

How do goosebumps help the body when it's cold?

• They make the skin smoother.

• They help the body release heat.

• They increase blood flow to the skin.

• They create a thicker layer of insulation.

Why do animals puff up their fur when they are scared?

• To shed old fur.

• To appear larger and more intimidating.

• To cool down their body temperature.

• To attract other animals.

What is a common reason for humans to get goosebumps besides being cold?

• When they are scared.

• When they are tired.

• When they are happy.

• When they are hungry.

What is the primary function of goosebumps in animals with fur?

• To help them climb trees.

• To help them stay warm and appear larger.

• To make them look more attractive.

• To help them swim faster.