Why do fifth-grade health education lecturers get sick?

The first draft of Why People Get Sick says that the textbook Why People Get Sick is the first lesson of health education in the fifth grade of primary school. The text is divided into three parts. The first part shows that everyone wants to have a healthy body, but because of the widespread existence of pathogenic factors, people often get sick in their lives. The second part explains in detail the five factors that cause people to get sick. The third part shows that illness is inevitable. However, most diseases can be prevented as long as individuals pay attention to safety, hygiene, reasonable nutrition and mental health in their daily lives and develop good living habits. The teaching focus of this class is the reason why people get sick, which is also the teaching difficulty of this class. The teaching objectives of this lesson are: 2. Ability goal: let students learn to analyze the causes of people's illness, strengthen physical exercise and improve their self-care ability. 3. Emotional attitude and values Goal: to improve students.