Question
Biology Question on body fluids and circulation
Cells formed in bone marrow include
A
RBC
B
RBC and leucocytes
C
leucocytes
D
lymphocytes.
Answer
RBC and leucocytes
Explanation
Solution
In the embryo and foetal stage of vertebrates, RBCs and leucocytes are formed in the bone marrow, lymph nodes, yolk sac, liver, spleen and thymus but after birth they are formed in red bone marrow only.