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.
Connective tissue [edit]. This is a âgrab bagâ category of diverse tissue types. Functions include binding and supporting. Types include bone, cartilage, fibrous connective tissue, blood and adipose (fat) tissue.If you took away everything in the body except the connective tissue, youâd still be able to see the basic form of the body.ypes include bone, cartilage, fibrous connective tissue, blood and adipose (fat) tissue. If you took away everything in the body except the connective tissue, youâd still be able to see the basic form of the body.