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Space Honey (lemmy.nz)
submitted 4 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] bdonvr@thelemmy.club 21 points 4 months ago* (last edited 4 months ago)

Veins are small so capillary action keeps things in order.

With no gravity though you'll have higher blood pressure to your head (and less to the legs)- it kinda makes astronauts faces a bit puffy. iirc this can slightly negatively affect vision long term.

Most of your body processes are in a small enough space that capillary action overtakes gravity.

this post was submitted on 10 Apr 2026
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