Appetite And Growth, Dream And Wakefulness, Emotional Lifting

Appetite and growth, dream and wakefulness, emotional lifting and mental depression, at last, reproduction - all it in many respects depends on activity . In essence, there is no function in difficult integration of an organism which would not demand participation . But as a whole all its functions can be divided on two groups. First, adapts organism activity for environmental conditions. Differently, if to exclude mechanical protection which is provided at specialised organisms with a skin, muscular and bone fabrics co-ordinating activity protects an organism from damaging influences of an environment, that is counteracts influence of the factors, able to lead death from the external reasons. Secondly, is the supreme body of a constancy of the internal environment. Together with adjustable bodies the closed system works as , providing a constancy of the internal environment according to the information received from private world of an organism. In this activity carefully supervises constant, regular processes which should proceed cyclically, irrespective of an external world.