Podcast
Questions and Answers
Which of the following is a popular explanation for yawning?
Which of the following is a popular explanation for yawning?
- Yawning cools our brains off.
- Yawning helps us become more alert.
- Yawning is caused by a lack of oxygen and excess carbon dioxide.
- Yawning is a sign of tiredness or boredom. (correct)
At what age have babies been observed to yawn in the mother's womb?
At what age have babies been observed to yawn in the mother's womb?
- 11 weeks old (correct)
- 4 weeks old
- 6 weeks old
- 2 weeks old
Why do we yawn in groups?
Why do we yawn in groups?
- To communicate with each other
- To express boredom
- To compete for air (correct)
- To show unity
What is one possible reason why athletes yawn before an event?
What is one possible reason why athletes yawn before an event?
What is the purpose of yawning according to some people?
What is the purpose of yawning according to some people?
Flashcards
Why do we yawn?
Why do we yawn?
Yawning is a common response to tiredness or boredom.
When do babies start yawning?
When do babies start yawning?
Studies have shown that babies can yawn in the womb as early as 11 weeks.
Why do we yawn in groups?
Why do we yawn in groups?
Some believe that yawning in groups is a way to compete for more oxygen, especially in crowded environments.
Why do athletes yawn before events?
Why do athletes yawn before events?
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What is one theory about the purpose of yawning?
What is one theory about the purpose of yawning?
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