Describe how the skin protects against infection.
To review:
The way skin protects the body against the infection.
Introduction:
Skin is basically the external soft layer of tissue present on the vertebrates. Many animals have an anthropoid exoskeleton, which comes from the different developmental origin and has different chemical and structure composition. Skin is considered to be the part of the integumentary system of the mammals and comprises many different layers.
Explanation of Solution
The skin is considered to be the first line of defense and for an infection to occur, many pathogens enter the body and spread the infection. As they enter, the host body provides conditions, which are ideal for living, such as plenty of water, food, and warmth. However, to destroy their production, the immune system comes their way. The body’s defense system fights against such infections and pathogens that are basically body’s coordinated response in invading the pathogens. The first line of defense includes skin, tears, sweat, and acid present in the stomach.
The entire body is covered with skin with an aim of protecting the body from the physical damage, dehydration, and microbe infection. The skin works as a barrier and does not allow the microbes to penetrate the skin and enter the body. Moreover, sebaceous glands are situated inside the skin, which releases oils and this oils aid in killing the microbes.
Therefore, it can be concluded that the skin is considered to be the first line of defense.
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Chapter 14 Solutions
Nester's Microbiology: A Human Perspective
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