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.
Skeletal System Organs. The skeletal system in human is a major connective tissue system that is made up of organs, such as bones, ligaments, tendons and cartilages. The entire framework of body is made up of bones, which serves as a guarding system to protect the viscera and allows locomotion.
The major organs of the immune system are bone marrow, thymus, spleen and lymph nodes. These organs produce lymphocytes required to destroy bacteria, virus, tumor cells, etc.This article dwells on these major immune system organs that protect the human body from infections. cells that evoke a detrimental autoimmune response get eliminated. Spleen: This organ of the immune system is composed of T-cells, B-cells, natural killer cells, macrophages, dendritic cells and red blood cells.