Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 1 out of 3 pages
Summary

Summary Topic 6 Non Specific Defense

Document preview thumbnail
Preview 1 out of 3 pages

Edexcel Biology Topic 6 Non Specific Defence, Immunology, Histamines, Skin,Macrophages, Phagocytosis

Content preview

Non-Specific
Non specific immune response attacks all pathogens
despite antigens
S.I units




Skin

1
Physical barrier prevents pathogens >
-


waxy
- -


.




fibrous
-
> Keratin e
structure
protein >
-
secondary
rich
↳ Impenetrable
2
. Biological /commensall
species
- Skin
flora bacterial

↳ dont cause disease (non pathogen
compete will
man for
pathogens and resources
-


space
↳ better
adapted pathogens

3 .
Lipids fatty acids with antimicrobial properties
- oil
- sebum


Mouth
- >
lysozyme enzymes are
exocytosed from
cells
↳ break down all wall peptide links
↳ in tears


Stomach HC1 lower
pH-enzymes affected
- ->


denature
bonds and ionic bonds

hydrogen
commensals
gut flora
-




Blood
clotting preventing
>
-
,
pathogens entering

Document information

Study Level
Subject
Uploaded on
January 20, 2025
Number of pages
3
Written in
2023/2024
Type
Summary
$4.86

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
1
Followers
0
Items
67
Last sold
1 year ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions