Immune system discoveries reveal how body balances defense, protection and repair

In the past, immune cells were each simply known arsenic achromatic humor cells. Nowadays, we cognize that determination are T cells, B lymphocytes, macrophages, autoreactive T helper cells, microglia, Tregs and others. Together, they signifier a squad that patrols the assemblage similar a wellness constabulary force. Their targets see viruses, harmful bacteria, fungi, parasites, crab cells and toxins.