What are Immune System, Antibodies, Antigens and T Cells?
The body’s immune system understands the difference between itself and its foreigners, whenever an external bacteria, virus, or pathogen attacks the body, then this immune system becomes active. The body of living beings has evolved in such how that when any crisis comes thereon, the method of saving it automatically starts. In this, the system of the body incorporates a hand. The immune system …