immune system

immune system   Dan lymphatic system

The immune system protects organisms from infection with layered defenses of increasing specificity Physical barriers prevent pathogens, such

The role of the immune system is to prevent disease , and mainly consists of two types of white blood cell called phagocytes close phagocytesCells, such as 'What is the immune system?' considers the basic mechanisms of immunity and describes the specific structures in the immune system where more complex activities

มอนิ่งวันเสาร์ This video provides a visual overview of the immune system Written notes on this topic are 'What is the immune system?' considers the basic mechanisms of immunity and describes the specific structures in the immune system where more complex activities