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).
The bone marrow contains many different types of cells. Among them are blood stem cells (also called hematopoietic stem cells; HSCs) and a variety of different types of cells belonging to a group called âmesenchymalâ cells.Only about 0.001-0.01% of the cells in the bone marrow are mesenchymal stem cells.mong them are blood stem cells (also called hematopoietic stem cells; HSCs) and a variety of different types of cells belonging to a group called âmesenchymalâ cells. Only about 0.001-0.01% of the cells in the bone marrow are mesenchymal stem cells.