How do you explain the fact that all organs and systems of organs of a healthy person work in concert?

This fact is explained by the body’s ability to carry out self-regulation – this is a change in the nature of the activity of an organ or organ system in order to maintain the relative constancy of the internal environment of the body, achieving an adaptive result.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.