-Hemopoiesis: Red bone marrow of ribs, sternum and centra of thoracic vertebrae (make red blood cells, white blood cells and platelets) breast bone (sternum) Located anteriorly and midsagitally in thoracic cage. Parts of the sternum -Manubrium (upper part) articulates with clavicle and first pair ribs through first costal cartilages
a formula unit is the symbolic representation of an ionic compound or network solid and a molecular formula is the symbolic representation of a molecular compound see the web links and related questions links for more information
What is a Formula? A formula is a special type of equation that shows the relationship between different variables. A variable is a symbol like x or V that stands in for a number we don't know yet. V = lwh. V stands for volume, l for length, w for width, and h for height. When l=10, w=5, and h=4, then: