Four alternative summaries are given below the text. Choose the option that best captures the essence of the text. You may have noticed at some point in your life that it is impossible to completely inflate or deflate your lungs. You don't have complete control over your body in this regard. Your brain doesn't trust you with that much responsibility. Most of your organs do their business without any direct input from your whims. You are allowed to mess with only a handful of the processes swirling and spinning and streaming throughout your body. One of those functions under partial control is breathing, and most of the time you leave it to your automatic systems to handle. Still, when you do take control and hold your breath or try to completely exhale, there are behavioural safeguards in place to prevent you from popping your alveoli or emptying so much air from your body that the tiny bits collapse and stick together.Your brain allows you very limited control over your organs or bodily processes, such as breathing.Your brain does not allow you to be responsible for your organs or bodily processes, such as breathing.You have no control over your organs or bodily processes, apart from breathing, and even that is limited.You have only partial control over your organs or bodily processes, except for a few such as breathing.