To change the filter on this type of refrigerator, gently slide the unit out, unplug the unit from power, turn off the water valve, remove and replace the water filter, turn water valve back on, check for leaks, plug refrigerator back into the power outlet, slide unit back in place, and you are done.
Although very simple, balance exercises can greatly strengthen your center of gravity. Any exercise that is done on one leg can be considered a balance exercise. Standing on one leg will improve your body's ability to center its mass over one leg.
âChapter 1â 7. Chapter 1. Effects of gravity on the circulation. Introduction. In man on Earth, circulating blood is subjected to gravity. On standing up, blood is. redistributed to regions below the heart, and venous return to the heart is reduced; unchecked this can lead to loss of conciousness and ultimately, death.