To understand Castleman disease, it helps to know about the bodyâs lymph system. Lymphoid tissue, also known as lymphatic tissue, is the main part of the immune system. It is formed by different types of cells that work together to help the body fight infections.
Observation Systems International Program. Demography, the science of human population (or more specifically, the study of population structure. and processes), draws together research from a number of disciplines, including economics, sociology, geography, public health, and genetics. In addition to the environmental impacts of.
Study of past and present biological and cultural variation within the human species. Physical Anthropology. anthropology concerned with the comparative study of human evolution, variation, and classification especially through measurement and observation. Archealogy. the scientific study of material remains (as fossil relics, artifacts, and monuments) of past human life and activities. 2 : remains of the culture of a people : antiquities.