Why Don’t Haircuts Hurt?

The video explains why haircuts don't hurt by discussing the absence of nerves in hair and nails. It delves into the role of nerves in the body, highlighting how they help us sense the world through touch, sight, hearing, smell, and taste. The video also describes how messages from nerves travel to the brain, allowing us to interpret sensations quickly. Finally, it clarifies that hair and nails lack nerves, which is why cutting them is painless.

Why doesn't it hurt when you get a haircut?

• Because hair grows back quickly

• Because hair doesn't have nerves

• Because hair is very thin

• Because hair is made of dead cells

What is the primary function of nerves in our body?

• To produce hormones

• To store energy

• To carry messages between different parts of the body

• To help us move our muscles

Which of the following senses is NOT directly related to nerves?

• Sight

• Hearing

• Smell

• Growth

What happens when you touch something with your skin?

• The skin changes color

• The nerves in the skin get activated

• The skin starts to grow

• The skin becomes thicker

Why can't your hair feel your fingers when you touch it?

• Because hair is too thin

• Because hair is always moving

• Because hair doesn't have nerves

• Because hair is covered by skin