Erythrocytes are known as?

A. white blood cell
B. red blood cells
C. phagocytes
D. leucocytes

Correct Answer:

Option B – red blood cells

Explanation

A red blood cell (erythrocytes), which (in humans) is typically a biconcave disc without a nucleus.

Erythrocytes contain the pigment haemoglobin, which imparts the red colour to blood, and transports oxygen and carbon dioxide to and from the tissues.