immune system
no one knows
Ability of the body to defend itself from being afflicted by diseases
It is the body's immune system.
I asume that a killer whale defends itself with its extremly large body. -MMMORELAND
The body does prepare itself for future invasion by releasing antibodies against a given organism.
Some diseases that the body may struggle to defend itself against include certain types of cancers, autoimmune diseases, and certain genetic disorders. These conditions can overwhelm the body's natural defense mechanisms, making it difficult for the immune system to effectively combat them.
Camouflage is the ability of an organism to blend in with its surroundings to avoid detection by predators or prey. It is a form of adaptation that helps the organism to survive and reproduce in its environment.
A puffer fish, when threatened, will inflate itself until it is spherical to defend itself against predators.
A flower may have thorns such as a rose does enabling it to passively defend itself .
Essentially, the HIV virus disables the body's ability to defend itself. It targets white blood cells, specifically T-helper cells or CD4+ cells, and kills them. By doing this, the body slowly loses the ability to defend itself against infections.
Yes, it's your body trying to defend itself
It will charge a threat, it will use its body weight to crush any threat that gets too close.