[Solved] Which of the following diseases develops because of widespread atherosclerotic plaque buildup in the arteries outside the heart, especially in the legs? A) Arteriosclerosis B) Atherosclerosis C) Aneurysm D) Peripheral arterial disease Adult Thyroid: The thyroid gland in its mature state, responsible for regulating metabolism, energy generation, and hormonal balance in the body. Granulocyte-Macrophage Colony-Stimulating Factors: Proteins that stimulate the bone marrow to produce granulocytes and macrophages, which are essential for the immune system's function. White Blood Cells: White blood cells are immune system cells that defend the body against infectious disease and foreign materials. Second Messenger: A molecule that relays signals received at receptors on the cell surface to target molecules inside the cell, amplifying the signal.