My guess would be mRNA or RNA but I'm not too sure about this question, sorry.
Answer:
a. Produces antibodies in response to antigen exposure in the brain tissue
b. Found in the ventricles of the heart brain
c. Produces by te choriod plexus
d. Blocks blood toxins from brain tissue
e. Prevents concussions.
Explanation:
plz bhai mera answer ko brainliest kar do please...
Reproduction is not necessary but is essential in keeping the generations of species going.<span />
I do believe the answer is B
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