Lymphatic System and Immunity Overview

Flashcards about the lymphatic system.

What is the primary function of the immune system?

To provide resistance to disease and defend against internal and external enemies.

Is the immune system a separate organ system?

No, it's a functional system mainly associated with the lymphatic system.

What are the two main mechanisms the body uses for defense?

Nonspecific immunity and specific immunity.

Define nonspecific immunity.

A general defense mechanism that targets any pathogen, not specific to any particular one.

Define specific immunity.

A targeted defense mechanism that targets only specific pathogens.

Give examples of non-specific defenses (innate defenses).

Skin, barriers, fever, inflammation.

What is a characteristic of specific defense?

Creating antibodies or targeting a specific type of pathogen.