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PM2.5 human body travel Sun Yat-sen University teaching children hands-on reveal

PM2.5 human body travel Sun Yat-sen University teaching children hands-on reveal

Where will the fine suspended particles (also known as aerosol) in the air go after entering the human body? What are the different effects of particles of different diameters on the human body?  Aerosol Science Research Center of National Sun Yat-sen University participated in the Love River 2.0 "Love the Science Carnival" summer science camp organized by the Kaohsiung City Education Bureau and organized by Kaohsiung Municipal Kaohsiung Girls' Senior High School . Nearly 200 elementary and middle school children learn about the impact of aerosol on the human body through DIY, and are entertaining and entertaining.

Associate Professor Chia C. Wang, the Director of the Aerosol Science Research Center at National Sun Yat-sen University, said that the "PM2.5 human adventure" game is to set " Aerosol " as the protagonist, so that students can understand what may happen when fine particles of different sizes enter the human body. For example, PM10 or larger particles, such as dust or pollen in the air, are represented by larger green beads. The teaching aids show that these larger particles will be blocked by the body's defense mechanism in the throat after being inhaled into the human body, and discharged through coughing and other means.

As for PM2.5 (generally refers to suspended particles with a particle size of less than 2.5 microns) and suspended particles with a size between PM10 and PM2.5, such as , exhaust gas from factories or vehicles, and cooking fume during cooking, then replace with yellow and purple plastic beads respectively. These smaller particles will enter the bronchial tubes and cause lung blockage in the long term and cause disease (such as chronic obstructive pneumonia or lung cancer). Smaller particles may further penetrate the alveoli and enter the blood circulation induce cardiovascular disease.

The "PM2.5 Human Adventures" teaching aids are jointly designed by teachers and students of the Aerosol Science Research Center of Sun Yat-sen University. It allows students to understand the main structure of the human respiratory tract, the fine suspended particles of different sizes entering different parts of the human body, and what are the possible effects on the human body the impact level and how to prevent and control, in order to achieve the purpose of aerosol science and environmental education. After finishing the scene, students can take them home for repeated performances or use them as indoor decorations.

Chia C. Wang explained that "aerosol" is the official academic name for PM2.5. The National Health Administration of the Ministry of Health and Welfare announced the latest ranking of chronic disease risk factors in Taiwan in June 106. PM2.5 exposure is the fourth most important risk factor, second only to hyperglycemia, smoking, and hypertension, and it is also the only environmental factor. In addition, as many as 6 diseases among the top ten death causes of Chinese people recently announced by the Statistics Department of the Ministry of Health and Welfare have been confirmed by the academic community to be related to PM2.5 exposure, which clearly enhances the basic understanding of PM2.5 and prevents themselves from PM2.5. The importance and urgency of exposure violations. Sun Yat-sen University has the only "Aerosol Scientific Research Center" in the country. In addition to developing high-end precision aerosol detection technology, and in-depth discussions on various issues related to PM2.5, it also actively promotes the science of PM2.5 aerosol. Environmental education and talent cultivation. This event not only demonstrated the educational significance of popular science, but also demonstrated Sun Yat-sen University's sense of mission and determination to fulfill its social responsibilities and enhance the publicity of higher education.
The organizer looks forward to stimulating students' interest in learning science through science popularization activities, training students' expression and hands-on ability, and fulfilling the goals of school education resource sharing and student development.

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