Hello me you are (__) years old but right now I am (__) I just wanted to say that you have been healthy and the benefits are amazing so be proud of yourself! You should eat a cake or something lol! I'm glad you have exercised so when I run, I'm not out of breath. and i have eaten vegetables because that will make me stronger so if I need to carry anything I dont fall down with it.
Answer: C.) Exercising instead of being inactive
Explanation: All the other options are unhealthy and show poor self-discipline. Google defines self-discipline as the ability to control one's feelings and overcome one's weaknesses; the ability to pursue what one thinks is right despite temptations to abandon it. Option C shows a person with high self-discipline, instead of being inactive, they chose to exercise.
Every cell in your body has the same genes/DNA but, the gene expression process decides which genes are active in which cells which is how each cell type gets it properties.