Cortex: The cortex is the outermost layer of a body part, such as the brain or kidney. It is made up of neurons and glial cells that are responsible for the processing and integration of information.
Medulla: The medulla is the innermost core of a body part, such as the brain or kidney. It contains nerve cells and other specialized cells that regulate involuntary activities such as breathing, digestion, and heart rate.
Pelvis: The pelvis is the lower part of the trunk of the body between the abdomen and the legs. It consists of a pair of hip bones and several ligaments, muscles, and other structures. It serves as the attachment point for the lower limbs and is involved in bearing the weight of the body and supporting the internal organs.