Understanding Yawning: A Quiz

At what stage of life do humans begin to yawn?

• Before birth

• During teenage years

• After birth

• During early childhood

What did Hippocrates believe about yawning?

• It expels bad air from the lungs

• It helps in digestion

• It increases brain activity

• It is a sign of hunger

Which of the following was a theory about yawning in the 1700s?

• Yawning helps in cooling the brain

• Yawning is a sign of boredom

• Yawning is a form of exercise

• Yawning increases alertness by raising blood pressure

What is the modern theory about why yawns are contagious?

• Yawning is a way to communicate emotions

• Yawning helps in regulating body temperature

• Yawning is a sign of empathy

• Yawning is a reflex to increase oxygen intake

How might yawning function as a form of communication?

• By signaling the need for sleep

• By showing changes in mood or surroundings

• By expressing boredom

• By indicating hunger