Sagot :
Answer:
The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses,fungi or bacteria
Explanation:
Basta yan=)
Answer:
The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses,fungi or bacteria
Explanation:
Basta yan=)