Question

Cells exposed to allergy-causing antigens release

antihistamines
more antigens
histamine.
both a and c

Answer 1

idk why But im just stuck on this one 0-0

Answer 2

It fine it happen right! : ) here check this out
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/Allergies.html
let me know if this helps! : ) if not let me know and i will try to help more! : )

Answer 3

i feel like its D

Answer 4

histamine, antihistamine is medical drug you may take. i.e Nasally

Answer 5

and antigens actually secrete histamines

Answer 6

i would have to say it is more antigens, because they are actually making the histamine when an allergic reaction occurs.