At 0.3 ppm, lung function is better in subjects older than 20.
- Ozone can cause the muscles in the airways to constrict, trapping air in the alveoli.
- This leads to wheezing and shortness of breath.
What is the functions of ozone?
- The ozone layer acts as a shield for life on Earth.
- Ozone is good at trapping a type of radiation called ultraviolet radiation, or UV light, which can penetrate organisms protective layers, like skin, damaging DNA molecules in plants and animals.
- There are two major types of UV light: UVB and UVA.
- However high amount of ozone can cause is a feeling of irritation in the eyes, nose and throat.
- Some people may also experience respiratory or heart symptoms such as shortness of breath, chest pain, and wheezing.
Hence, B option is correct.
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