Multiple Choice
When the body is invaded by antigens,the immune system forms substances called
A) antibodies.
B) macrophages.
C) lymphocytes.
D) helper cells.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q15: Hepatitis B can lead to<br>A)liver cancer.<br>B)kidney disease.<br>C)heart
Q16: More than 24 million people in Africa
Q17: Which of the following is NOT a
Q18: All of the following are recommended for
Q19: Which type of immunity occurs when antibodies
Q21: Treatment for influenza is only palliative.
Q22: HIV can potentially be transmitted through all
Q23: Discuss three factors that are contributing to
Q24: A key reason for the resurgence of
Q25: Sexually transmitted infections disproportionately affect<br>A)females and adults