Given national efforts to increase the level of fitness of school-age children, dr. gatlin has been monitoring her young son's level of exercise. she is concerned that he is not engaging in enough physical activity. according to your textbook, what may explain to dr. gatlin why her son's amount of exercise has not improved

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.