Calf Muscles. 1  The calf muscles are six in number: the gastrocnemius, the soleus, the popliteus, the tibialis posterior, the flexor digitorum longus, and the flexor hallucis longus. 2  The gastrocnemius and the soleus run between the knee and the ankle. 3  One of the calf muscles, the soleus, has a special ability.
Ozone Pollution. Ground level or bad ozone is not emitted directly into the air, but is created by chemical reactions between oxides of nitrogen (NOx) and volatile organic compounds (VOC) in the presence of sunlight.
The other major factor the effects the health effects of pollution on the body is ozone. Most of know that the ozone is a layer of the atmosphere that protects us from the sunâs harmful UV rays. But when we talk about ozone in this context it refers to the toxic gas that is created when the ozone mixes with our emissions.