Define objectives and standards, measure performance, compare progress, take required action.
I believe the answer is the nucleus, because it basically holds everything and is the center of the whole cell!
One of the main reasons why life expectancy dramatically rose in the past century was due to different factors. One that surely contributed to them was better access to medical equipment and medical advances themselves. As well as better nutrition that was available to the common person.
Answer:
The nervous and skeletal system
Explanation:
