To be physically fit it means to eat healthy and have at least 30 minutes or blood pumping cardiovascular exercise a day it does not mean to way a certain weight or look a certain way
your answer is B. it is difficult to see physical and cognitive defects.
Endurance because he keeps moving at a pace he set for himself and even though he must be tired from all the stopping and running he still works hard and doesn't stop
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.
