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Question
Distinguish between Erythrocytes and Leucocytes.
Distinguish Between
Solution
| No. | Erythrocytes | Leucocytes |
| (i) | Erythrocytes have a distinct form that is either elliptical or oval. | Because leucocytes are amoeboid, they have no distinct shape. |
| (ii) | They have been nucleated. | They are nucleated. |
| (iii) | Because erythrocytes contain haemoglobin, they appear red. | Leucocytes lack respiratory pigmentation and thus appear colourless. |
| (iv) | The normal erythrocyte count ranges from 4.3 to 5.8 million per cubic millimetre of blood. | The normal leucocyte count per cubic mm of blood is 4000 to 11000. |
| (v) | Erythrocytes have a lifespan of 100 to 120 days. | Leucocytes have a lifespan of 3 to 4 days. |
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