Garden design is considered to be an art in most cultures, distinguished from gardening, which generally means garden maintenance. Garden design can include different themes such as perennial, butterfly, wildlife, Japanese, water, tropical, or shade gardens.
The thymus gland is located in the neck above the heart. The function of the thymus gland is to generate mature T lymphocytes (white blood cels that help the immune system fight off illness).he function of the thymus gland is to generate mature T lymphocytes (white blood cels that help the immune system fight off illness).
Less than 5 % of the thymocytes mature into T cells that pass out of the lobules and migrate to the spleen, lymph nodes, and other lymphoid tissue, where they control cell-mediated immune responses. The thymus produces at least four hormones: thymopoietin, thymulin, thymus humoral factor, and the thymosins.