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).
Bone Building Cells. In the bone, there are 5 types of bone building cells: OSTEOBLAST :Characters. 1  These bone building cells arise from the osteoprogenitor cells in periosteum in bone marrow.2  monomucleate cells, expressess all receptors of the fibroblassts in addition to genes for sialoprotein and osteocalcin.3  Consists of high amount of RER large Golgi apparatus with spherical nucleus.one Building Cells. In the bone, there are 5 types of bone building cells: OSTEOBLAST :Characters. 1  These bone building cells arise from the osteoprogenitor cells in periosteum in bone marrow.