Question

please answer the questions a. why do we yawn b. why do we blink our eyes c. are ghost really alive

Answer 1

a. we yawn One is that when we are bored or tired, we just don't breathe as deeply as we usually do. As this theory goes, our bodies take in less oxygen because our breathing has slowed. Therefore, yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.


b we blink because our eye balls requires liquid continuous so as to keep functioning...


c.this is the question when all the theories fails....but i will say no i will say ghosts do not exists as their existemce cammot be explained by science...