In the human immune system, the first line of defense against any microorganisms or foreign material encountered is known as

In the human immune system, the first line of defense against any microorganisms or foreign material encountered is known as

In the human immune system, the first line of defense against any microorganisms or foreign material encountered is known as








A) Acquired immunity
B) Adaptive immunity
C) Specific immune response
D) Non-specific immune response











Answer: D