39. USHERS DUTIES 27) A Pastor should appoint a head usher and assistant ushers to ensure the smooth running of the weekly church services. James 2:1-4 describes a church usher who favoured a rich man and discriminated against a poor man.This is what an usher should not do.Ushersâ duties should be as follows: 1) Be given a key to open up the church; 2) Be at church at least 30 minutes before the starting time of the service.his is what an usher should not do. Ushersâ duties should be as follows: 1) Be given a key to open up the church; 2) Be at church at least 30 minutes before the starting time of the service.
Bone cells. Bone cells are arranged in concentric circles around longitudinal tubes called (Osteonic (haversion) canals) Bone cells (osteocytes) are arranged in concentric circles around the osteonic (Haversian) canals. (TRUE) Bone cells are also called osteocytes. (TRUE).one cells. Bone cells are arranged in concentric circles around longitudinal tubes called (Osteonic (haversion) canals) Bone cells (osteocytes) are arranged in concentric circles around the osteonic (Haversian) canals. (TRUE) Bone cells are also called osteocytes. (TRUE).
Osteoblast (from the Greek combining forms for  bone , á½ÏÏÎ­Î¿-, osteo-and Î²Î»Î±ÏÏÎ¬Î½Ï, blastanÅ germinate) are cells with single nuclei that synthesize bone.uring active bone formation, the surface layer of osteoblasts consists of cuboidal cells, called active osteoblasts. When the bone-forming unit is not actively synthesizing bone, the surface osteoblasts are flattened and are called inactive osteoblasts.