Blood cells is about 45% by volume of blood. Which one of the following statement is not true regarding blood cell?

Blood cells is about 45% by volume of blood. Which one of the following statement is not true regarding blood cell?

خون کے خلیات خون کے حجم سے تقریبا %45 ہیں۔ بلڈ سیل کے بارے میں مندرجہ ذیل میں سے کون سا بیان درست نہیں ہے؟
Explanation

White blood cells are called leucocytes, not red blood cells.

Red blood cells are called erythrocytes.