Question
Biology Question on human health and disease
Which of the following is not a lymphoid tissue ?
A
Spleen
B
Tonsils
C
Appendix
D
Thymus
Answer
Appendix
Explanation
Solution
Lymphoid tissue is a cylinder of loosely organized cells surrounding the arteries. It is rich in lymphocytes and includes lymph nodes, spleen, tonsils, bone marrow and thymus. An appendix is a lymphoid organ which helps the body to stave diseases.