6. The following graph shows how our immune system defends against a certain infection. The
amount of antibodies in the bloodstream and the time are given in y and x axes respectively
First exposure is the first time the pathogen enters our body
Secondary
immune response
Primary
immune response
Antibody concentration
in bloodstream
1
1
Time
First exposure
Second exposure
Briefly explain the reason for the nature of the defence in the two occasions, namely the first
exposure and the second.
Answers
Answered by
0
Answer:
where is graph I can't see
Answered by
3
Answer:
Where is graph???
Epithelial tissue covers the outside of the body and lines organs, vessels (blood and lymph), and cavities. ... For example, the skin is composed of a layer of epithelial tissue (epidermis) that is supported by a layer of connective tissue. It protects the internal structures of the body from damage and dehydration.
Similar questions