A DID system can be used for fax and voice mail as well as for live voice connections. Compared to regular PBX service, DID saves the cost of a switchboard operator, calls go through faster, and callers feel they are calling a person rather than a company.
Key Concepts: In dicotyledonous leaves there are two types of mesophyll cells, palisade mesophyll and spongy mesophyll. Palisade mesophyll cells form a layer beneath the upper epidermis whereas spongy mesophyll cells are internal to the lower epidermis.
answer correct adipose tissue bone and blood like all connective tissues are derived from mesenchyme an embryonic tissue also common to all connective tissues is the presence of cells and an extracellular matrix that consists of fibers bathed in ground substance chapter 4 reading quiz question 5 part a connective tissues are made of different combinations of ground substance and fibers as you compare slides of connective tissues which would most likely be the strongest type of connective tissue based on the composition of ground substance and fibers answer number of cell layers shape of the cells type of secretion location they have a common origin mesenchyme