Question

The life spam of human WBC is approximately

(a) less than 10 days

(b) between 20-30 days

(c) between 2-3 months

(d) more than 4 months

Answer 1

Correct Option (a) less than 10 days

Explanation:

 Human WBC (or leukocytes) life span is approximately less than 10 days. Leukocytes constitute less than 1% of the cells in human blood. They are large in size than red blood cells. They have nucleus but no haemoglobin.