Which of the following WBC type has lowest percentage in blood of healthy human?

The correct answer is Basophils.

Key Points

• White blood cells or leucocyte cells protect against the pathogen.
• The normal range of WBC is 4,500 to 10,000 cells/mm3.
• It is granulocytes and agranulocytes.
• Granulocytes contain granules, neutrophils, basophils and eosinophils.
• Agranulocytes are without granules and are monocytes and lymphocytes.
• Basophils have the lowest percentage in the blood of a healthy human.
• It is present in less than 1 per cent.
• It releases histamine chemicals.

Additional InformationLymphocytes:

• It is a type of agranulocyte.
• It ranges from 25-35 per cent.
• It produces antibodies against pathogens.

Monocytes:

• It is a type of agranulocyte.
• It ranges from 3-9 per cent.
• It results in inflammation.

Eosinophils:

• It is a granulocyte.
• It takes acidic or eosin stain.
• It ranges from 1-3 per cent.
• It responds towards parasitic infections.