"antigens"
Hope this helps!
-Payshence xoxo<span>
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Answer:
I believe the answer is <em>keratin</em><em> </em>
Explanation:
<em>PLEASE</em><em> </em><em>DO MARK</em><em> </em><em>ME AS</em><em> </em><em>BRAINLIEST UWU</em><em> </em>
B. because they are not manufactured by the body
Answer:
I am pretty sure you are asking for the correct words which for living is biotic and for non living it is Abiotic
Explanation:
