The immune system has many ways to defend the body against infections and harmful substances. The immune system can produce antibodies to attack and neutralize these substances, and it can also produce special cells that can recognize and destroy infected or damaged cells.
Emria82
Wedding Photojournalism By Rodney Bailey
Ruby Yates
Sulemon
Sajukja
Razu76
W88
Maniy2
Hanz9w2
Fani73