Cole, in “Your Body’s Real Age”, presents the lifespan of your body and the length of time for it to renew or replace (npr.org June 28, 2016). There are three body parts that stay almost the same and generating through our lifetime and eight parts of your body that renew and generate every day, weeks and years. The first three body part that stays and develop through time are our hearts, lens and neurons. Half of our heart remain the same since you were born because the process to replace these cells takes a very long time. Lens, its core remains the same since the first day you were born but the same but it stretches and adds a few more transparent protein. Neurons in some certain parts of your brain shaped when you were born and develop more
