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-Explain at least 2 ways your body provides for innate immunity

-Explain at least 2 ways your body provides for innate immunity

Science   Anatomy-And-Physiology   
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Answer #1

Innate immunity is the source of immunity that one is born with and is relatively non- specific. The defense provided by innate immunity includes anatomic barriers, physiologic barriers, phagocytic cells and the inflammatory response.

1st line of defense:

Barriers

Physical Barriers

*pathogens can be removed by- (1) being sloughed off w/ dead skin cells (2) coughing/wheezing (3) Vomiting (4) urination

Biochemical Barriers-secreted by epithelial cells to protect against infrection

*Mucous

*perspiration

*Saliva

*Tears

*Ear wax

(These secretions also contain antimicrobial peptides that kill/inhibit growth.

Normal Flora

*Are non-pathogenic microorganisms living on body surfaces

*Release chemicals preventing colonization by pathogens

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