The most compromised part of the body in the seated dental professional is the lumbar curve. The dental professional most of the time works seated or rotated at the hips. The human adult spine has normally three curves: the cervical (neck), the thoracic (middle back) and the lumbar (lower back). The lumbar curve plays a very important part in keeping the body's balance in an upright position. When working seated, the whole body tilts forward or twists, two situations that apply great pressure on the lower back.
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I don't know like what does it basically mean??
Process by which the internal structure of a mineral is altered by the addition or removal of elements. Change in phase (mineral type) and composition are due to the action of chemical agents. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluids.
The equation for cellular respiration is C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + Energy
And to describe cellular respiration <span>C6H12O6 is oxidized and O2 is reduced.</span>
