To protect the body against foreign particals, or just protecting your body from getting sick, or helping it get better when it is sick, think of it as police
It protects the body from viruses and bacteria.
lymphokines
yes
yes
Respiratory and Immune Systems
Respiratory and Immune Systems
Your immune system or your live, but you have to have healthy liver to filter out all your diseases.
Depression lowers everyone's immunity. Everything is depressed, not just the mood.
The immune system
Yes, most of the time the immune system weeds out cells that are abnormal.
All small dogs have lower immune systems, their sugar levels drop quicker then big dogs.
Some people have stronger immune systems or are immune to it.