Why, When ppl yon their eyes water???
Question: I just always rounderd!?!?!
Answers: There are two possible reasons for tears to be released when you yawn.
The tears are secreted by the lacrimal glands located just inside the eye
lids next to the nose. These glands secrete the fluid into the lacrimal bag
where it is then released through the lacrimal ducts into the lining of the
eye lids to keep the eye moist.
When you yawn it is possible that there is pressure put on the lacrimal
bag and some fluid is forced out.
The secretion of the lacrimal glands is under control of the autonomic
nervous system. This nervous system controls all the involuntary functions
as contrasted to the somatic nervous system that controls all purposeful
actions. When you reach out to catch a ball it is the somatic system that
activates the muscles to acheive that action. The autonomic system
controls such things as the heart beat, sweating and the function of the
intestines.
When the autonomic portion of the nerves are activated the lacrimal
gland secretes the tears which appear at the eye. These nerves also
cause the pupil of the eye to constrict and get small as well as to cause
the glands in the nose to secrete. So, when you are crying you get tears,
a watery nose and your pupils should constrict. Perhaps the act of
yawning causes activation of these nerves. Next time you yawn look in
the mirror and see it your pupils get small. But don't get too close to the
mirror because when you look at things close to you the pupils get smaller
anyway.
Because your face gets all scrunched up and the pressure forces water out of the water-sacs in your eyes?
i think zena1129 is right. take a spelling lesson. or at least use the spellchecker.
becauz your eyes cruch up and that makes the sacs give out water !
Answers: There are two possible reasons for tears to be released when you yawn.
The tears are secreted by the lacrimal glands located just inside the eye
lids next to the nose. These glands secrete the fluid into the lacrimal bag
where it is then released through the lacrimal ducts into the lining of the
eye lids to keep the eye moist.
When you yawn it is possible that there is pressure put on the lacrimal
bag and some fluid is forced out.
The secretion of the lacrimal glands is under control of the autonomic
nervous system. This nervous system controls all the involuntary functions
as contrasted to the somatic nervous system that controls all purposeful
actions. When you reach out to catch a ball it is the somatic system that
activates the muscles to acheive that action. The autonomic system
controls such things as the heart beat, sweating and the function of the
intestines.
When the autonomic portion of the nerves are activated the lacrimal
gland secretes the tears which appear at the eye. These nerves also
cause the pupil of the eye to constrict and get small as well as to cause
the glands in the nose to secrete. So, when you are crying you get tears,
a watery nose and your pupils should constrict. Perhaps the act of
yawning causes activation of these nerves. Next time you yawn look in
the mirror and see it your pupils get small. But don't get too close to the
mirror because when you look at things close to you the pupils get smaller
anyway.
Because your face gets all scrunched up and the pressure forces water out of the water-sacs in your eyes?
i think zena1129 is right. take a spelling lesson. or at least use the spellchecker.
becauz your eyes cruch up and that makes the sacs give out water !
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