Which person engages in habits that are most harmful to his or her health? martina eats nutritious food, avoids physical exertion, and enjoys spending time with friends. mathew skips meals, sleeps an irregular number of hours, and smokescigarettes daily. alexa is captain of her soccer team, is careful about what she eats, and has a family history of diabetes. jason is self-conscious about his weight. he tries hard to control his diet but can’t overeating sometimes. nextreset

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.