Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
Developing self-esteem is important because it helps you <span> think good concerning yourself and it can also influence your imaginative thinking.</span>