These are three different
-why is aerobic energy production more advantageous
than anaerobic energy production?
-a person who is physically fit is able to produce more
energy because he/she is more efficient in obtaining and delivering to the muscles.
-is the resting heart rate of a physically fit person faster
or slower than an unfit individual? why?
-what is stroke volume? what happens to it in the physically fit person? what happens to it in the person whoisn't physically fit?

Answer up to 6,000 fatal crashes a year;

The answer you're looking for is washing your hands. "at this late date, we all expect our doctors to wash their hands before examining us or performing an operation in order to prevent the spread of infection. surprisingly, physicians did not begin to acknowledge the lifesaving power of this simple act until 1847.it was then that dr. semmelweis began exhorting his fellow physicians at the famed vienna general hospital (allgemeines krankenhaus) to wash up before examining women about to deliver babies. his plea was far more than aesthetic; it was a matter of life and death and to prevent a deadly malady known as “childbed” or puerperal (from the latin words for child and parent) fever."