Early childhood curriculum began to develop into a more organized series of meaningful learning activities with the development of research into

An integrated curriculum involves learning goals across multiple content areas.

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.