Q. With reference to the RBC, which of the following statements is/are correct?
(a)Before birth RBC are formed in liver and spleen
(b)After birth RBC are formed in bone marrow
(c)RBC has a lifetime of about 365 days
(d) Persons who live at high altitudes has more number of RBC then at plain Select the correct answer using the code given below
A. 1 and 2 only
B. 1, 2 and 4 only
C. 1, 2 and 3
D. 2 and 3 only
Answer: 1, 2 and 4 only