Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) , times per. circulatory system is the heart, which is the main pumping The heart is made of muscle. something like a cone, with a pointed bottom and a round top. It is hollow so that it can fill up with blood. An adult’s.
Survival and recovery from adult cardiac arrest depend on a complex system working together to secure the best outcome for the victim. The main focus in adult cardiac arrest events includes rapid recognition, prompt provision of CPR, defibrillation of malignant shockable rhythms, and post-ROSC supportive care and treatment of underlying xxxcum.xyz by: 3. May 14, · Four Chambers of the Heart and Blood Circulation The shape of the human heart is like an upside-down pear, weighing between ounces, and is little larger than the size of the fist. It is located between the lungs, in the middle of the chest, behind and slightly to the left of the breast bone.