Non Specific Body Defences

Question 1

What is an example of a inflammatory response

step 5 and 6

Answer 1

5 phagocytes engulf and destroy bacteria

6 phagocytes release cytokines to attach note phagocytes to accumulate at the site of infection

Question 2

What is an example of inflammatory response ( steps 1 2 3 4 )

Answer 2

1 needle carrying bacteria breaks the skin
2 mast cells release histamine when damaged
3 histamine causes arterioles to vesodiloate and capillaries become permeable
4 phagocytes and clotting elements leave capilly and accumulate near the infection site

Question 3

What are chemical secretions

Answer 3

Tears 
Saliva 
Mucas 
Stomach acid 
These are produced to trap or destroy invading pathogens

Question 4

What is a pathogen

Answer 4

A bacteria, virus, or other organism that can cause disease

Question 5

What are the 4 main functions of the non specific immune system

Answer 5

Physical Barrie’s- skin
Production of secrection - mucas stomach acid
Inflammatory responses-red inflamed skin
Phagocytis - cellist responses

Question 6

What is phagocytosis

Answer 6

Pathogen decree by phagocyte
Pathogen completely engulfed by phagocyte into vesicle
Lysosomes fuse with vesicles releasing digestive enzymes
Pathogen digested and products defuse into the cytoplasm for use or removal

Question 7

What are physical barriers

Answer 7

Closely packed epithelial cells in the inner linings of the digestive and respiratory systems