赤せっ血けつせっけつMeanings1nounred bloodRefers to red blood, often in medical or biological contexts. Not an everyday word; more common in compounds like 赤血球 (red blood cell).赤せっ血けっ球きゅうは赤せっ血けつの細さい胞ぼうです。Red blood cells are cells of red blood.
