Histamines are chemicals released by the body as an allergic response.They help the body by reacting when their are "intruders" so when enters, histamine acts as a messenger and sends out a signal for the body to create a reaction helping to get rid of teh intruder through some type of reaction.
Answer:
I think its is Archaebacteria
Explanation:
I think it is 3) Archaebacteria
Bestie provide some answers
