Your immune system is probably the best defense system in your body. It can fight almost any foreign invaders like bacteria, viruses, microbes and parasites almost immediately, or it can have a delayed reaction and attack the invaders later with…
Your immune system is probably the best defense system in your body. It can fight almost any foreign invaders like bacteria, viruses, microbes and parasites almost immediately, or it can have a delayed reaction and attack the invaders later with…