A. Three Lines Of Host Defense

Question 0

First line:

Barriers

Answer 0

Block invasion at portal of entry

Question 1

First line

Answer 1

1 host defense

Non specific, non adaptive

Question 2

Second line

Answer 2

Non specific, non adaptive

Question 3

Second line:

Cellular activities
chemical microbials

Answer 3

Phagocytes

Inflammatory response

Question 4

3rd line

Answer 4

Specific (tailor made)

Adaptive, learn, memory

Immune response