One Answer

  1. So it happened by evolution. A significant part of the body's functions are controlled automatically by our autonomic nervous system. We cannot consciously control the speed and strength of the heart's contractions, and then change the tone of the arteries and veins… We don't decide for ourselves when to produce hydrochloric acid and contract the stomach, or how much pancreatic enzymes to release.

    All this automatism allows you to free up the time and attention that people used to make their progress. Well, some – in order to ask such questions 🙂

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