Match the features of each of the three levels of defense of...

Match the features of each of the three levels of defense of your immune system. - Cells that first respond to pathogens after entering the body. A. 2nd Line of Defense (Innate) - Cells recognize a broad variety of pathogens with non-specific responses. B. 1st Line of Defense (Physical) - Includes cells such as basophils, macrophages, and dendritic cells. C. 3rd Line of Defense (Adaptive) - Includes cells such as Helper T cells, Memory B & T cells, Cytotoxic T cells, and Natural Killer Cells - Cells recognize specific pathogens and target them for destruction. - Cells initiate responses after receiving information from the first responder cells. - Includes your skin and mucus membranes - Prevents outside pathogen entry into the body by physically blocking or trapping them before they can infect the cells.

Transcript

00:01 So let us match the given questions one by one.

00:02 Firstly we have a which stands for second line of defense.

00:08 We write defense as d here.

00:11 Now coming to a second line of defense, this actually matches with the statements as follows.

00:18 Cells that first respond, we write response as re to the pathogens written as ph .t.

00:28 So, for the cells that first respond to the pathogens, pathogen, pathogens after entering the body.

00:37 So this is the first statement that matches.

00:39 Coming to the next statement, cells recognize, r -e -c -o, denotes recognize, cells recognize a broad variety, particularly of pathogens with non -sons.

00:59 Specific response written as n sr non specific response written as non -sr so first statement that matches the cells that first respond to the pathogen pathogens after entering the body cells recognize a broad variety of pathogens with non -specific response and the third statement is that it includes cells such as basophils written as b, macrophages written as m and dendritic cells written as dc.

01:40 Coming to the next statement, we have third line of defense.

01:46 So third line of defense.

01:49 Again, defense is written as d here.

01:52 Now coming to this, we have the statements that is it includes.

01:57 Cells such as helper t cells written as htc, memory cells written as m represents memory, so it has memory b as t cells, so memory b cells and t cells, cytokine t cells, written as ct cells, and natural killer cells, written as nk cells.

02:25 Now it also has the second statement that is cells recognize specific written as spc, specific pathogens and target them for destruction, written as d -e -s -t.

02:43 So d -e -s -t represents destruction.

02:46 Finally the third statement that is cells initiate the response written as r -e -s after receiving information written as i -n -e -e -s...

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