Rbc vs wbc, basic difference between RBCs & WBCs, blood cells, blood

Rbc vs wbc, basic difference between RBCs & WBCs, blood cells, blood

2. 1. Alternative Name
RBCs:- Erythrocytes

WBCs:- Leucocytes
2. Origin
RBCs:- In the embryonic phase, they are formed in the liver and
spleen. However, after birth, they are formed in the red bone
marrow.

WBCs:- They are formed in red bone marrow, lymph nodes,
spleen etc.
3. Process of formation
RBCs:- Formation of RBCs is called Erythropoiesis.

WBCs:- Formation of WBCs is called Leucopoiesis.

3. 4. Abundance
RBCs:- More abundant (4-5 million/mm
3
) They are most abundant
cell in the blood, accounting for about 40-45% of its volume.

WBCs:- They are much fewer in number than RBCs, accounting for
about 1% of blood (8000/ mm
3
).
5. Size
RBCs:- Smaller than WBCs (0.008 mm diameter)

WBCs:- Larger than RBCs (0.02mm)
6. Shape
RBCs:- Biconcave disc-shaped.

WBCs:- Irregular or round in shape.

4. 7. Colour
RBCs:- Red cells are pinkish‐brown in color.

WBCs:- White cells are colorless.
8. Hemoglobin
RBCs:- The complex protein, hemoglobin, is the major constituent
of RBCs.

WBCs:- Hemoglobin is absent in WBCs.
9. Nucleus
RBCs:- The nucleus is absent (anucleate).

WBCs:- Present and may be bilobed, irregular or round.
10. Circulatory system
RBCs:- Belong to the cardiovascular system.

WBCs:- Belong to the lymphatic system.

5. 11. Types
RBCs:- Single type.

WBCs:- In healthy people, there are at least five types of white
cells in the circulating blood. White cells are divided into
granulocytes, monocytes, and lymphocytes.
12. Number Increment
RBCs:- Number increases during exercise or when at high
altitudes.

WBCs:- The infection leads to an increase in the number of
WBCs.
13. Life span
RBCs:- The average life span of 120 days.

WBCs:- Life span ranges from 5-21 days.

6. 14. Motility
RBCs:- Non-motile but can move through circulation and have the
ability to squeeze through small capillaries.

WBCs:- Generally motile.
15. Movement
RBCs:- Movement is Primarily between the cardiovascular
system.

WBCs:- Between the cardiovascular and lymphatic systems.
16. Movement type
RBCs:- Do not leave the blood vessel.

WBCs:- They can leave blood from capillaries and land in tissues.

7. 17. Rouleaux formation
RBCs:- Forms stacks or aggregation called Rouleaux.

WBCs:- Do not form Rouleaux.
18. Related disorders
RBCs:- Disorders result in anemia, thalassemia, polycythemia
Vera, etc.

WBCs:- Lymphoma, Leukemia, Myelodysplastic syndrome (MDS) .
19. Function
RBCs:- Carry respiratory gases- oxygen and carbon dioxide. Also,
it contributes to blood viscosity.

WBCs:- Phagocytosis and defensive role including antibody
production.