Answer: Option A
Explanation:
The T-cells and B-cells of the immune system are the part of specific immune response.
If the number of T-cells dies then the ability to activate B lymphocytes will also be lost as they help B-cells to secrete antibodies and macrophages to destroy the antigens.
T cells also helps in the activation of cytotoxic T-cells to kill the targeted cell which is affected by antigens.
hence, the correct answer is option A
B is the correct answer i believe B is the correct answer i believe
Answer:
It could possibly be a Heavy period. Heavy periods can have causes that aren't due to underlying disease. Examples include regular variation among individuals, hormonal imbalance, IUD use, or medication side effects.
Answer: di mana kehidupan tertentu hidup misalnya Ikan yang tinggal di lautan Jadi pada dasarnya ia membuat beberapa kehidupan yang berbeza membentuk orang lain
Translation for anyone who wants to know: its where certain life lives for example A fish living in a ocean So basically it makes some life different form others
