Answer:
uh no I guess because your not your parents property your their child
I think it’s either 1 or 2 !!
Answer:
The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen. The main cells of the immune system are lymphocytes known as B cells and T cells.
A physical change is when something don't permanently change
