the first line of defenses, which acts as a general line of defense against pathogens, is collectively called the immune system. exposure is required to generate a response. below are several examples.

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The first line of defense, which acts as a general line of defense against pathogens, is collectively called the immune system. The first line of defence of the body against pathogens is D. All of these

What is an immune system?

An immune system defends their body from external invaders. These include toxins, bacteria, viruses, fungi, and other types of germs (chemicals made by microbes). Different organs, cells, and proteins that work together make up the immune system.

The immune system's role is to protect the body from pathogenic microorganisms. Its purpose is to maintain our health. The body's defense against disease is provided by the immune system, a vast and intricately connected network of numerous organs, cells, and proteins.

The first line of defense for the body against microbial invasion is made up of skin, tears, and mucus. These are so named because the pathogens first encounter them when they enter a body during an infection.

Therefore, it should be noted that based on the information Illustrated, the correct option is D.

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Complete question

The first line of defense, which acts as a general line of defense against pathogens, is collectively called the immune system. Which of the following form(s) the first line of defence of the body against pathogens?

A Skin

B Tears

C Mucus

D All of these