The simple answer is that snakes shed their skin because they are just like all other animals. All animals shed their skin â even you! In mammals, especially humans, this is an ongoing process that's rarely noticed. Skin shedding in reptiles is different. Instead of an ongoing process, reptiles shed skin periodically.
According to the International Liaison Committee on Resuscitation guidelines, CPR involves chest compressions at least 5 cm (2 in) deep and at a rate of at least 100 per minute in an effort to create artificial circulation by manually pumping blood through the heart and thus the body.
Video transcript: Your body position, hand placement and timing, are all important aspects of doing Adult CPR correctly. In this lesson you are going to practice each step with Connie. For CPR to be effective, your hands need to be in the right place, which is in the center of the person's chest, like this. First, place the heel of one hand in the center of the chest along the breast bone. Then, place your other hand on top and lace your fingers together. Position your shoulders directly over your hands, keep your arms straight and your fingers up off the chest.