Excersise and eating healthy are the two main things
The 2nd and 3rd one are both correct. I don’t know if it’s multiple choice or not, but the nervous system does both of those answers
Answer:
The inward flow of sodium ions increases the concentration of positively charged cations in the cell and causes depolarization, where the potential of the cell is higher than the cell's resting potential. The sodium channels close at the peak of the action potential, while potassium continues to leave the cell.
