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.
The recent record-breaking heat waves dramatically increased the levels of ozone, which can cause sunburn-like effects on our delicate lungs. Hereâs how smog affects the human body. A mixture of the small PM2.5 particles get directly into our bloodstream by sneaking through the tiniest air sacs called alveoli. Once in your blood stream, these air pollution particles act like cigarette smoke, triggering inflammation that makes cholesterol more sticky.