Stamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · vor 3 MonatenBlood is blue until exposed to oxygenlemmy.dbzer0.comimagemessage-square183linkfedilinkarrow-up11.31Karrow-down16
arrow-up11.31Karrow-down1imageBlood is blue until exposed to oxygenlemmy.dbzer0.comStamets@lemmy.dbzer0.com to People Twitter@sh.itjust.works · vor 3 Monatenmessage-square183linkfedilink
minus-squareWFloyd@lemmy.worldlinkfedilinkEnglisharrow-up3·vor 3 MonatenMy first thought was how ears and noses look red when sunlight shines through them. If blood was blue, wouldn’t they be blue or purple?
My first thought was how ears and noses look red when sunlight shines through them. If blood was blue, wouldn’t they be blue or purple?