Which cell has no Nucleus?

کس سیل میں کوئی نیوکلئس نہیں ہے؟

Muscle cell

Red blood cell

White blood cell

None of these

Mature red blood cells (RBCs) in mammals lack a nucleus to maximize space for hemoglobin, increasing oxygen-carrying capacity.

Other cells like muscle, nerve, and white blood cells have nuclei for their functions.