I WONDER - Why Do We Get Goose Bumps?

The video explains the phenomenon of goosebumps, which occur when you get cold, causing small bumps on your arms and making the hairs stand up. This reaction helps trap warm air around the skin, increasing body temperature. The same mechanism is observed in animals with fur, where it is even more effective due to the density of their hair.

What physical change occurs on your arms when you get goosebumps?

• The skin becomes smooth.

• The skin changes color.

• The hairs on your arms fall off.

• Small bumps appear and hairs stand up.

What is the primary function of goosebumps?

• To make the hairs on your arms grow longer.

• To signal that you are cold.

• To trap warm air and increase body temperature.

• To make the skin look different.

How do goosebumps help in regulating body temperature?

• By trapping warm air around the body.

• By making you shiver.

• By increasing blood flow to the skin.

• By making the skin thicker.

In which other creatures does the goosebumps reaction occur?

• In reptiles.

• Only in humans.

• Only in birds.

• In animals with lots of fur.

What factor enhances the effectiveness of goosebumps in animals?

• The thickness of the skin.

• The color of the fur.

• The length of the fur.

• The number of hairs.