3 ms·
I tempted to say that blood is better one. Among other things blood has iron, while tears just salt. Last, but not least it's for thermoregulation of the body.
by ciupicri 5mo ago
I tempted to say that blood is better one. Among other things blood has iron, while tears just salt. Last, but not least it's for thermoregulation of the body.
- snovv_crash 5mo agoIf we're evaluating blood and tears for cooling, I'd argue that sweat is significantly better as a renewable resource, and also specifically adapted towards evaporative cooling.