How is the integrity of the body ensured? Give examples.

The integrity of the body is ensured;
1) the structural connection of all parts of the body (cells, tissues, organs, fluids, etc.);
2) the connection of all parts of the body using:
a) liquids circulating in its vessels, cavities and spaces;
b) the nervous system, which regulates all processes in the body (nervous regulation).

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.