The placenta provides oxygen and nutrients to growing babies and removes waste products from the baby's blood. The placenta attaches to the wall of the uterus, and the baby's umbilical cord develops from the placenta.The umbilical cord is what connects the mother and the baby.he placenta attaches to the wall of the uterus, and the baby's umbilical cord develops from the placenta.
Metabolism is the set of ilfe-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments.
Energy. Metabolism refers to the process by which your body converts calories from food into energy it can use. Your body needs energy -- even while you are at rest -- for breathing, circulating blood, repairing cells and all other bodily functions.