1. Brushing your teeth in the morning and evening is one of the effective ways to protect your teeth.
2. Correct reading and writing posture is beneficial to protecting eyesight.
Because raw water contains bacteria and eggs, you can't drink it.
You can't go swimming in the swimming pool when pinkeye is popular.
5. The function of lung is to inhale oxygen continuously and exhale carbon dioxide.
6. Preventing myopia is mainly to achieve "three wants and three don't".
7. Hepatitis A is a highly contagious infectious disease.
8. Vaccination with BCG vaccine on time is a safe and effective method to prevent tuberculosis.
9. Sugar is good for protecting the liver.
10, not only do a good job in family hygiene, but also do a good job in environmental hygiene.
1 1, physical exercise is beneficial to our growth and physical fitness.
12, boys should not wear tight pants in the early adolescence, and girls should not wear corsets, waists and high heels.
13, children can't smoke; Because smoking is very harmful to health.
14. The simplest and most economical way to prevent iodine deficiency disorders is to insist on eating iodized salt for a long time.