👉 Old blood cells are less active, primarily composed of lymphocytes and macrophages that've been around for years. They circulate slowly, ready to fight off infections but mostly lying dormant until their time is up.
👉 Old blood cells are less active, primarily composed of lymphocytes and macrophages that've been around for years. They circulate slowly, ready to fight off infections but mostly lying dormant until their time is up.
https://goldloadingpage.com/word-dictionary/older blood cells
