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The first and second lines of defense are both components of innate immunity, that is defenses that are present at birth. The job of the first line of defense is to keep microbes out of the body. They include the skin, mucous membranes and their secretions and the normal flora. The second line of defense is activated once the microbe gets into the body. The second line of defense includes white blood cells (which "eat" invading microbes), inflammation (which is used to isolate the microbes and facilitate tissue repair), fever (which inhibits replication of microbes and enhances WBC performance), and antimicrobial substances.
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What is bodies second line of defense against pathogens?
the body's second line of defense against pathogens is the B cells.
What is the third line of defense called?
The third line of defence against pathogens is called the Specific Immune Responce
Which of the following best describes the function of the IAMMUNE SYSTEM?
Prevents the invasion of of pathogen into the body and acts as the first and second line of defence Agianst pathogens
What is the difference between the first and second line of defense in the immune system?
The difference between the first and second line of defence is that the first line of defence is your physical barrier like your skin and it protects you from most pathogens entering your body and the sweat and oil on your skin prevent some pathogens from growing on your body. the second line of defence is when a pathogen makes it past the first line of defence your body can mount an immune response to the attack and destroy the invader. Whether or not the response succeeds depends very much on your body's ability to distinguish between cells that belong to it and cells that do not.
What are 2nd line defenses of the body?
The second line of defence is the non specific, it includes antimicrobial proteins, phagocytes and other cells. - In this state to inhibit spread of invader through out the body. -Inflamation, is its hallmark and most important mechanism.
What is the 2 line of defence against bacteria?
cellular defence
What are two types of immune respones in the second line of defence?
The body has three main lines of defense against pathogens. They are as follows:First line of defense: Skin, Mucous membranes, and Secretions of skin and mucous membranesSecond line of defense: Phagocytic white blood cells, Antimicrobial proteins, and the Inflammatory responseThird line of defense: Lymphocytes, and Antibodies
What is the level of defence against infection?
1) surface barriers include the skin and mucous membranes. Gastric Juice,: Concentrated hydrochloric acid (HCl) and proteases that destroy pathogens in the stomach 2) second line of defence: the non-specific defence mechanisms such as inflammation, fever, phagocytic leucocytes, anti-microbial proteins 3) third line of defence: specific defence: Antigen (Macrophages encounter a pathogen, they digest it and present the antigenic fragments on their surface to helper T lymphocytes) and Antibody (B lymphocytes )
When does the bodys second line of defense come into play?
The body's second line of defense, which includes inflammatory responses and phagocytic cells, comes into play when pathogens manage to breach the first line of defense (skin and mucous membranes). These responses help contain and eliminate the pathogens before they can cause harm.
What organ is your first line of defense against pathogens?
The integumentary system (skin) and mucous membranes are the first line of defense. They provide a physical barrier against invasion of pathogens. Any break in this physical barrier, such as a cut, makes it easier for pathogens to enter your body.
Is the integumentary system the second and third line of defense against infection?
The integumentary system is one of the first lines of defense against infection. It provides a physical and chemical barrier against the entry of pathogens.
Which of the following best describes the function of the Immflamotory response?
Eliminates pathogens, removes injured and dead cels, acts as the second line of deference against pathogens. Neural, cellular, leukocytes activation including phagocytosis
