Emotional Health = the ability to express your emotions appropriately for your age
Mental Health = the ability to manage your actions stemmed from your emotions (the ability to engage the appropriate reaction to situations)
So emotional health is more about your actual emotions and mental health is more about what you do with those emotions. However, they are both similar in the fact that they both deal with emotions.
the answer is Mitosis is the process by which cells divide. Without it, you could make no new cells. The cells in most of your body would wear out very quickly, greatly shortening your life.