Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.
Answer: The first one is the correct answer.
I hope this helps :D
Answer:
E
Explanation:
You had no other choice but to leave because the Nazi's were ruthless, especially if you were Jewish.