The radiation pattern. depends on the number and the type of elements be-. ing used, and the physical and electrical structure of. the array. Numerous variations of antenna structures, as well as the type of elements are available, but for. simplicity only one kind of element is used in the. whole array structure [2].
Answer by MelindaS (1694) Actually, a gland is a more specific name for an organ. An organ is any specialized group of cells that together perform a certain function. A gland is a type of organ that produces a hormone. An example of a gland would be your thyroid, pituitary, or your pancreas. They produce different hormones.
Trachea and esophagus are two different organs present in almost every animal. The basic difference between esophagus and trachea is that the former forms part of the digestive system of a living organism whereas the latter is a part of the respiratory system.Being parts of different systems, both trachea and esophagus perform different functions.nother important difference between trachea and esophagus can be seen in their blood supplies. The former gets its blood supply from the lower thyroid arteries while the arteries in the thorax and abdominal region supply blood to the latter.