Question

multiple choice question
natural killer cells belong to which group of cells?

thrombocytes
granulocytes
erythrocytes
lymphocytes

Explanation:

Natural killer cells are a type of lymphocyte, which are a subset of white blood cells involved in the immune response. Thrombocytes are platelets (involved in clotting), granulocytes include cells like neutrophils/ eosinophils/ basophils, and erythrocytes are red blood cells (carry oxygen). So natural killer cells belong to lymphocytes.

Answer:

D. Lymphocytes