Question

See the below Question

1) Why RBC can transport gases? Clean explanation needed. [ Atleast 3 points ]
2) Endoskeleton of RBC?
3) How can RBC change it's shape?How it can pass through narrow cappilaries.
4) Name the bank of RBC.

answer all questions​

Answer 1

Answers -

1)

⭐ Haemoglobin is present.

⭐ Cell membrane is permeable to gases [ Because it's delecate ].

⭐It's lack of mitochondria [Anaerobic respiration... So, No use of Oxygen].

⭐It's Biconcave [ To increase the surface area].

⭐ It has Carbonic Anhydrase.

2) Endoskeleton of RBC - Stromatin.

3) RBC change it's shape due it's spongy nature. [ As Stromatin is present in RBC ]

4) bank of RBC - Spleen.

Hope it helps you....

Answer 2

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As an erythrocyte matures in the red bone marrow, it extrudes its nucleus and most of its other organelles. During the first day or two that it is in the circulation, an immature erythrocyte, known as a reticulocyte, will still typically contain remnants of organelles. Reticulocytes should comprise approximately 1–2 percent of the erythrocyte count and provide a rough estimate of the rate of RBC production, with abnormally low or high rates indicating deviations in the production of these cells. These remnants, primarily of networks (reticulum) of ribosomes, are quickly shed, however, and mature, circulating erythrocytes have few internal cellular structural components. Lacking mitochondria, for example, they rely on anaerobic respiration. This means that they do not utilize any of the oxygen they are transporting, so they can deliver it all to the tissues. They also lack endoplasmic reticula and do not synthesize proteins. Erythrocytes do, however, contain some structural proteins that help the blood cells maintain their unique structure and enable them to change their shape to squeeze through capillaries. This includes the protein spectrin, a cytoskeletal protein element.

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