Innate defenses include mechanical and chemical barriers, whereas adaptive defenses counter specific disease-causing agents.

Question

Quizplus · Accepted Answer

Innate defenses such as skin, mucous membranes, and certain cells like neutrophils and macrophages provide mechanical and chemical barriers to prevent entry and invasion of pathogens, while adaptive defenses involving B and T cells mount a targeted response against a specific pathogen by creating antibodies or cell-mediated immunity.

Innate Defenses Include Mechanical and Chemical Barriers, Whereas Adaptive Defenses