Answer:
Intestine is the lower part of the alimentary canal from the end of the stomach to the anus.
Explanation:
Helper T cells <span>are required for almost all </span>adaptive immune responses<span>. They not only help activate B </span>cells to<span> secrete antibodies and macrophages </span>to<span> destroy ingested microbes, but they also help activate cytotoxic </span>T cells to<span> kill infected target </span>cells<span>.</span>
Ummmmm....idk, can you let me know when you find the answer?
