Biology
Give reasons/explain:
A mature mammalian Erythrocyte lacks nucleus, mitochondria and endoplasmic reticulum.
Circulatory System
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Answer
Lack of nucleus, mitochondria and endoplasmic reticulum helps erythrocytes in the following way:
- Loss of nucleus makes the red cells biconcave, thus increasing their surface area to absorb more oxygen.
- Loss of mitochondria means that they cannot use the absorbed oxygen themselves.
- Absence of endoplasmic reticulum makes it flexible so that they can move through fine capillaries.
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