While you didn't provide any following sources, healthy sources of energy for humans are usually considered to be different types of fruits and vegetables, lean meats, wholewheat grains, nuts, seeds, and healthy oils. All these constitute a healthy human diet and are a healthy source of energy.
Homeostasis means that body is in balance.
In basketball, there are ten players on the court, which isn’t including refs. five players from each team play at a time. the most basic positions in basketball is point guard and post. point guards do a lot of ball handling and outside shooting. posts stay within or near the lane, and they can shoot outside the lane. usually, but not always, posts are stronger and taller. hope it helps <3