naaa bruss..... im afraid to say that this answer is incorrect.. sorry bud try again
1) Physical barrier. 2) "Normal bacteria" will resist new-comers.
Balanced nutrition along with good living physical and psychological conditions and active and ifnecessarypassive immunization according to schedule help the body defend against disease.
The immune system.
Tonsils are large bumps of special tissue located on either side of your throat at the back of your tongue. They are part of your lymphatic system, which helps your body defend itself against disease-causing germs and other foreign substances.
It is the body's immune system.
Sickle Cell Disease, Acquired Immune Deficiency Syndrome (AIDs), Gonorrhoea and Haemophilia are some diseases that the body cannot defend itself against. :D
Capsule work as protective shield for bacteria. It helps the bacteria to tolerate harsh environment conidition and also it is helpfull in causing disease to animals as the capsule many time defend bacterial cell against immunity of its host.
They defend the body against both infectious disease and foreign materials.
How does difflugia oblonga defend itself against predators? What special structures does it have? Does it cause a disease? How is it transmitted? What are the symptoms of the disease? Is there any treatment for the disease?
they defend against infection and viruses
There is no scientific evidence or claim that Shakeology can defend against cancer.
Their attacks were hard to defend against