DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
You are watching a horror movie. The music changes to the familiar tune you recognize as a prelude to. danger. You tense up, your heart rate increases, your breathing becomes shallow, your mouth is dry.
Fast, shallow breathing for even a few minutes can cause tingling of the lips, hands, and feet, sometimes associated with stiffness and even fainting. Migraines are sometimes preceded by numbness, and this may also be accompanied by heaviness in the neck, around the mouth, the hands, and the feet.