AP Psychology question.

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Hope this helps

The equal protection clause, is part of the 14th amendment to the united states constitution,the clause, which took effect in 1868 provides that no state shall deny to any person within its jurisdiction "the equal protection of the lawthe equal protection clause states that citizens are protected equally under the law