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.
Most of your body processes are in a small enough space that capillary action overtakes gravity.
Valmond@lemmy.dbzer0.com 15 hours ago
If you put it on a sandwich, yes.