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.
Air pollution leads to ozone pollution and acid rain. CFC compounds, used in aerosol sprays prior to 1995, destroy the ozone layer. Ozone pollution can cause damage to human respiratory tracts. Ozone can damage the vascular system of plants.
Ozone, when it occurs. at ground level, presents. a serious air quality problem. in many parts of the United. States. When inhaledâ. even at very low levelsâ. ozone can cause a number. of respiratory health effects. In fact, breathing smoggy air can. be hazardous because smog contains. ozone, a pollutant that can harm our. health when there are elevated levels. in the air we breathe. This publication. will tell you what kinds of health. effects ozone can cause, when you.