Amazing Beneficial Effects Of Yawning
Amazing Beneficial Effects Of Yawning : Yawning is a physiological act which is characterized by a tonic contraction of several groups of muscles resulting in a deep inspiration, dilatation of pharynx (Throat) and depression of tongue along with lower jaw. Stretching of arm is commonly seen along with yawning.
What are the reasons why you yawn?
It is commonly associated with
1. Tiredness,
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2. Stress,
3. Sleepiness, or even bored.
4. Insufficient oxygen and hunger.
In humans, yawning is often triggered by others yawning (For instance seeing someone yawning, talking to someone on the phone who is yawning)./ Beneficial Effects of Yawning
Benefits for yawning
1. It regulates the temperature of the brain: It has been postulated that yawning might cool down the brain when its temperature increases.
2. Yawning relieves the ear discomfort and hearing problems that are commonly experienced by people during rapid altitude changes in air-planes and elevators.
3. Increases Oxygen supply./ Amazing Beneficial Effects Of Yawning
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