The term RED OR WHITE BLOOD is referring to the two types of blood cells found in the human body. The first type is red blood cells, also known as erythrocytes, which are responsible for carrying oxygen throughout the body. The second type is white blood cells, also known as leukocytes, which are responsible for fighting infection and disease. Both types of blood cells are essential for maintaining good health. The crossword solution CORPUSCLE is a general term used to refer to any of the small particles that make up the human body, including both red and white blood cells.