When a cell is "at rest" it is in a state called the resting potential. In this state, neurons are more negatively charged ions inside the cell than outside the cell.
Negative symptoms- Disassociating with others, bipolar behavior, hallucinations, mood swings, etc
C will be your answer .medicine containers do have the expectation date. instructions on how to take it and how many & it has the numbers of the medicine.
Memory loss is not part of physical change by aging
Cardiovascular system is often compared to a city.