Multiple choice

In lower vertebrates lymphocytes are produced in

  1. spleen

  2. bone marrow

  3. liver

  4. vertebrae
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The key cells responsible for immunity in vertebrates are white blood cells called lymphocytes which arise from precursor (stem cells) cells in the bone marrow. B-lymphocytes or B-cells mature in bone marrow while T-lymphocyte or T-cell mature in thymus. 

Keep practicing — related questions