Answer:
B lymphocytes become cells that produce antibodies. Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response.
Explanation:
Hope it helped ..plus can you give me brainlist plz :)
Answer:
A. Athletic performance peaks in both men and women between ages 20 to 30
Answer: They are extremely Optimistic.
The answer to your question is,
D. Can cause ulcers
-Mabel <3
