What is the first line of defense in the immune system?

₹0.0

Question: What is the first line of defense in the immune system?

Options:

Correct Answer: Physical barriers

Solution:

Physical barriers, such as skin and mucous membranes, constitute the first line of defense against pathogens.

What is the first line of defense in the immune system?

What is the first line of defense in the immune system?

Step 1: Understand that the immune system protects the body from harmful germs called pathogens.
Step 2: Identify what the first line of defense means; it refers to the body's initial protection against these pathogens.
Step 3: Recognize that physical barriers are the main components of this first line of defense.
Step 4: Learn that the skin acts as a protective barrier, preventing pathogens from entering the body.
Step 5: Know that mucous membranes, found in areas like the nose and mouth, also help trap and eliminate pathogens.

No concepts available.