Answer:
Mast Cells
Explanation:
Mast cells release histamine in the blood stream, when they detect a substance that triggers an allergic reaction, also called an allergen.
A phylogenetic tree<span> or evolutionary </span>tree<span> is a branching diagram or "</span>tree<span>" showing the inferred evolutionary relationships among various biological species or other entities—their </span>phylogeny<span>—based upon similarities and differences in their physical or genetic characteristics.</span>
Answer:
23,7_4
There is no information for the tens place and the thousands may be either 9 or three i think
