Yawn According To Science at Brodie Matthew blog

Yawn According To Science. Learn more about what causes yawning and why it is so contagious. The world’s largest study on yawning analyzed yawns from 101 species. Scientists still do not know exactly why we yawn, but they have several theories. The results show the animals with bigger brains yawn longer. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age. We do know that yawning increases with levels of some of the brain’s neurotransmitters, including dopamine. Why we yawn is still largely a scientific mystery. Humans begin yawning in the womb at around 11. We yawn when we see other people or our pets do it. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age. Other vertebrate animals do it too, including cats, dogs, fish, birds, and snakes.

2D model of muscle movements during a yawn contracting muscles (red
from www.researchgate.net

The results show the animals with bigger brains yawn longer. We yawn when we see other people or our pets do it. We do know that yawning increases with levels of some of the brain’s neurotransmitters, including dopamine. Other vertebrate animals do it too, including cats, dogs, fish, birds, and snakes. Why we yawn is still largely a scientific mystery. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age. The world’s largest study on yawning analyzed yawns from 101 species. Scientists still do not know exactly why we yawn, but they have several theories. Humans begin yawning in the womb at around 11. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age.

2D model of muscle movements during a yawn contracting muscles (red

Yawn According To Science We yawn when we see other people or our pets do it. We yawn when we see other people or our pets do it. Humans begin yawning in the womb at around 11. Learn more about what causes yawning and why it is so contagious. Other vertebrate animals do it too, including cats, dogs, fish, birds, and snakes. Scientists still do not know exactly why we yawn, but they have several theories. The world’s largest study on yawning analyzed yawns from 101 species. The results show the animals with bigger brains yawn longer. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age. Why we yawn is still largely a scientific mystery. We do know that yawning increases with levels of some of the brain’s neurotransmitters, including dopamine. Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age.

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