And in this reduction in materials cost for the manufacturer, the life expectancy of the furniture is greatly diminished. By as much as 75%, depending on usage patterns. Recliners are the most common type of furniture for leather and vinyl match.
Three sets of bones protect the internal organs:   The skull protects the brain  The rib cage, anchored by the sternum and vertebral column,  protects the heart, lungs, kâ¦idneys, liver, and spleen.  The pelvis protects the urinary and reproductive organs, as  well as the lower part of the intestines   .
1. Bones. The most important organ of the skeletal system is the bones. Human skeleton is made up of 206 bones that in coordination not only provides support and protection to the viscera (with the help of muscles attached to them) but also produces blood cells for the body from the bone-marrow.