Answer:
ok not so sure about it and it is a time that they told your y
The human body contains trillions of cells. each organ belongs to one of 10 human body systems, these body systems are interconnected and dependent upon one another to function your heart does not beat unless your brain and nervous system tell it to do so your skeletal system relies on the nutrients it gains from your digestive system to build strong and healthy bones
I think the answer is A. The body's ability to be efficient during movement. Hope this helped.
Which public health policies help prevent communicable diseases?
-D. Food inspection
