Why Our Cheeks Turn Red When We Shy.
The human body has another system beside the immunity system, which effects when the humans faced sudden danger or position.
when we face the danger this system produce hormones help to confrontation, the girls and boys when meet new friends of the family, or fall to the ground in outside, in this case the body is suffering from an internal conflict between the desire to escape or not, in this way we want consistency with a lot of efforts, so the end results will be a rush of blood in the opposite way to the skin, and before realizing what happened to be red shame has covered our face.