3 ms·
Who says there has to be anything resembling hemoglobin? Or blood? All this xenobiology is so shortsighted.
by hoseja 7y ago
Who says there has to be anything resembling hemoglobin? Or blood? All this xenobiology is so shortsighted.
- andrewflnr 7y agoCirculating fluids are super convenient for moving chemicals around. Plants use them, too. I would be very surprised if there wasn't at least an analogue for blood.