👉 A marathon runner's red blood cells burst forth, zipping from one lung to another with lightning speed. In a split second, white blood cells rush, patrolling for any invaders at the body's frontlines.
👉 A marathon runner's red blood cells burst forth, zipping from one lung to another with lightning speed. In a split second, white blood cells rush, patrolling for any invaders at the body's frontlines.
https://goldloadingpage.com/word-dictionary/stations blood cells
