Question

(i)
What is immune system?​

Answer 1

Answer:

Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other diseases. When germs such as bacteria or viruses invade your body, they attack and multiply. ... Your immune system protects you from the disease by fighting off the germs.

Answer 2

Answer:

They are the white blood cells(WBC) and the fight our germs ,viruses ,bacteria, and sicknesses

Explanation: