Red blood cells: the mystery of the nucleus

Blood is composed of red blood cells, white blood cells and platelets.
In this video, we demonstrate why the nucleus is missing in red blood cells.
#WorldBloodDonorDay2019 #blood #whitebloodcells
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[@jaejae9872]

Amphibian blood has a nucleus in each red blood cell because the characteristic of denucleated red blood cells evolved after amphibians developed.

[@davidkincade7161]

If I had to guess I'd say it something to do with retaining certain regenerative capacities.

[@Taesanonehourloop]

Ok but if they don't have nucleus, how do they replicate..?

[@shimianxiaomao]

Something inside your long bone, like your thigh bone, it can make red blood cells

[@earth2k66]

From multi-potent haematopoietic stemcells in the Bone marrow.

[@randomguy5404]

They don't