Not sure if you're serious, but there are a number of physiological differences between blacks and whites. They aren't profound, in my opinion, but they exist. It is important to recognize them for medical health. For instance, Blacks have a week shorter average gestation period than whites, a small difference but important for the health of the baby. Some others are documented by the American Society for Clinical Nutrition:
Measures of body composition in blacks and whites: a comparative review
Race is NOT a social construct, nor does it need to be used as a basis for intolerance. As usual, the "my team is best" idiots on the far left and right are wrong and dangerous.