I am not sure what your question is exactly, but I am reading it as a true or a false question. In that case that is a false.
It can offer protection to the brain, it can collapse under stress, and it can provide attachment sites for teeth.
A, enjoyed for many years or decades
It’s a “lifetime” activity= years/decades of your life.
Answer:
The important part of that system is that it protects you from an, illness, or any other things. The Blood cells do their Job In order to protect you from an illness, virus. The immune system is a fighting system of blood. The immune system has a role: It protects you from harmful germs. It has a Function that is Unique in it’s Own Way. Explanation: