Can you show us the answer choices? If so can you space them out so I or whoever see's this post can clearly see them? Thanks!
This relates because at first the human species are vulnerable to the new disease but as natural selection in human evolution occurs the human species will be able to overcome the disease and become invulnerable.
Commonly called the enterics due to the fact that they inhabit the intestinal tracts of humans and other animals.
Answer:
its a or b most likely a tho
Explanation:
The primary function of all lymph nodes is the production of lymphocytes, which help defend the body against microorganisms and against harmful foreign particles and debris from lymph before it is returned to the blood stream. The major clusters of lymph nodes are in six areas.
