What is the measurement of living human beings for the purpose of the classification and comparison of human races?

The measurement of living human beings for the purpose of classifying and comparing human races is called anthropometry. It involves taking precise measurements of various parts of the body to assess differences among individuals or populations, such as height, weight, head circumference, and limb proportions. However, it is important to note that race is a social construct and not a scientifically valid biological category, so the use of anthropometry for racial classification is controversial and ethically problematic.