It is correct to describe the relationship between physical health and mental health.

The description of healthy psychological activities is correct:

1. Healthy psychological activity is a dynamic and balanced psychological process.

2. It covers all psychological activities beneficial to individual survival and development.

3. It is a relatively balanced process, fluctuating up and down within a certain range around the normal state of mental health.

4. It shows normal function in a certain period of time.

The process of psychological activities focuses on the * * * identity of human psychology. It mainly includes three aspects: cognition, emotion and will, namely knowledge, emotion and will.

Knowledge is a process in which the human brain receives information from the outside world, transforms it into internal psychological activities after being processed by the brain, and then dominates human behavior. Emotion is the subjective experience of satisfaction, dissatisfaction, love, disgust and hatred based on cognitive input information; It means the intrinsic motivation to push people to achieve their goals and maintain these behaviors.

Knowledge, emotion and meaning are not an isolated, interrelated and unified whole. They are interrelated, restricted and infiltrated with each other.

Psychological activities should be the thinking of people or animals (with psychological phenomena) before language, behavior, expression and other activities. There are many kinds of people's psychological activities, and everyone's psychological activities are different in different environments. It can be said that psychological activities are not exactly the same, but most of them are similar, or the starting point is the same.