I WONDER - Why Do We Yawn? Me Pregunto - Por Qué Bostezamos?

The video explores the reasons behind yawning, highlighting its role in increasing brain oxygen levels and energy, especially with cold air. It also discusses the contagious nature of yawning, noting that even dogs can catch yawns from humans.

What are some reasons why we yawn?

How does yawning help energize the brain?

What effect does inhaling cold air have on yawning?

Why is yawning considered contagious?

Can animals, like dogs, also yawn in response to humans? Explain.