The body has three primary lines of defense against pathogens. The first line consists of physical and chemical barriers, such as skin and mucous membranes. The second line involves innate immune responses, including inflammation and the action of white blood cells. The third line is the adaptive immune response, which involves the activation of specific lymphocytes and the production of antibodies.
any regular pentagon has five lines of symmetry.
Trenches were the lines of defense dug into the earth, particularly during WWI.
4
zero lines.
5 lines
Mucous membranes, phagocytosis, immune response.
any regular pentagon has five lines of symmetry.
Well just to name two: your nose hairs your saliva
Trenches were the lines of defense dug into the earth, particularly during WWI.
It allows body to lose heat by sweating
Skin
immunity and producing antigens that protect the body...
nine players
The Defence of the Realm has 1032 pages.
70
Our bodies have many natural defences. Our main internal defence would be our immune system which helps combat bacterial and viral diseases. Our main external defence would be our skin which protects our body and prevents pathogens and microbes from entering our bodies. Hope This Helps :D
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