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None ! Yawning is either the body signalling you're tired, or that you're short of oxygen. Nothing to do with muscles !

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12y ago

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Related Questions

Why does yawning cause neck cramps?

hyperexcitability of the nerves that stimulate the muscles


Why does yawning cause cramps in neck?

Yawning stretches the muscles in the neck and throat, which can sometimes lead to cramps if the muscles are not used to that range of motion. Additionally, when we yawn, the muscles in the jaw and neck can tighten, leading to discomfort or cramps. Stretching and relaxing these muscles can help alleviate the cramps.


Why does yawning make you cry?

Yawning can cause tears due to stimulation of the tear ducts and increased production of tears. Yawning stretches facial muscles, including those around the tear ducts, which can lead to tears being released. This phenomenon is a normal physiological response and is not a cause for concern.


When one student is yawning why do all the others start yawning?

The cause in not know.


Why is my moshimonster always yawning?

cause it is boared


How many muscles are used to yawn?

Yawning involves around 9 different muscles in the face and throat. The main muscle responsible for yawning is the tensor tympani, which is located in the middle ear and is involved in the stretching of the jaw during a yawn.


Why do tears come out when we yawn?

Tears often come out when we yawn due to the activation of facial muscles and the pressure changes in the eye area. Yawning can stimulate the lacrimal glands, which produce tears, and the act of stretching the facial muscles may cause tears to be released. Additionally, yawning often occurs when we are tired or experiencing a change in oxygen levels, which can also influence tear production.


Does yawning cause leg hair to grow?

No. Yawning does not cause leg hair to grow. What does cause leg hair to grow (either thicker or darker) is shaving, genetics, and your overall hormones in your body.


Muscle of ventilation in yawning?

Yawning primarily involves the diaphragm and intercostal muscles, which facilitate deep inhalation. During a yawn, the diaphragm contracts to expand the thoracic cavity, while the intercostal muscles assist by elevating the ribs. This coordinated action allows for a large intake of air, often accompanied by a stretching of the jaw and facial muscles. Overall, yawning serves to increase oxygen intake and may help to regulate brain temperature.


How many muscles does it take to yawn?

it takes about 12 musceles to yawn and 80 musceles to laugh at you if you took this answer from this answer jkjkjkjkjk


What muscles help us yawn?

The muscles that help us yawn include the diaphragm, responsible for controlling breathing, and muscles in the jaw and throat. Yawning helps to stretch and contract these muscles to increase oxygen intake and alertness.


Can yawning cause heart palpitations?

Um, I shouldn't think that yawning itself causes heart palpitations, but if you are extremely tired, there is more chance of you having a palpitation.