Put the following steps in the order of occurrence for intra…

Put the fоllоwing steps in the оrder of occurrence for intrаmembrаnous ossificаtion.   Type the number of the step in the blank.   Example:  If clouds form first, then rain starts after that, then type 1 in the blank for the clouds and 2 in the blank for rain, ...   [BLANK-1] Osteoblasts deposit spongy bone beginning at center of bone.  [BLANK-2] Connective tissue membranes form at sites of future intramembranous bones.  [BLANK-3] Osteoblasts form layer of compact bone atop the spongy bone.  [BLANK-4] Some cells become osteoblasts.