no no
The brain needs oxygen in order to function. A lack of oxygen to the brain can cause brain damage. Brain damage can result in seizures.
yes
I am assuming you mean "how does a lack of sleep effect your eyes?" Low levels of sleep will cause redness in the whites of the eyes and will cause you to get dark circles under the eyes.
If someone is aware of this lack of oxygen, yes. A lack of oxygen seems life threatening, and may cause someone to go through DABDA, or the five stages of grief, which does include depression.
We yawn cause of the lack of oxygen.
Yes, this is called suffocation.
A lack of oxygen will indeed cause pale skin. Pale skin can also be caused by anemia and should always be evaluated by a doctor or medical professional.
One cause would be lack of oxygen due to suffocation or lack of blood flow carrying the oxygen to the brain.
lack of oxygen and injury
Yes I would see a doctor
Your eyes are leaking because lack of tears. When your eyes tear its because your eyes have to let out tears this can cause your eye ball to fall out.