IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the body’s first line of defense against disease?
A
skin
B
blood
C
antibodies
D
enzymes
Explanation: 

Detailed explanation-1: -Skin is a barrier that serves as one of the body’s first lines of defense against harmful microbes. Specialized immune cells within skin tissue help to fight invading organisms. Yet the skin hosts diverse communities of beneficial bacteria, collectively known as the skin microbiota.

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