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Dafna1 [17]
2 years ago
5

What is PM 2.5 and how does it affect people?​

Biology
2 answers:
Over [174]2 years ago
8 0
Particles in the PM 2.5 size range are able to travel deeply into the respiratory tract
Lorico [155]2 years ago
5 0
Fine particles (PM2.5) pose the greatest health risk. These fine particles can get deep into lungs and some may even get into the bloodstream. Exposure to these particles can affect a person's lungs and heart.
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