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.
1 An organ is a collection of different tissues that carries out a particular function (e.g. liver). 2  An organ system is a collection of organs that functions to carry out a specific task in the organism (e.g. digestive system).  At each level of organization, the structure helps determine the function.