3 ms·
Re #1: You're ignoring metabolic byproducts that are excreted in urine or feces or sweat. Are there any byproducts that are released in the breath?
by a-priori 16y ago
Re #1: You're ignoring metabolic byproducts that are excreted in urine or feces or sweat. Are there any byproducts that are released in the breath?
- frankus 16y agoI should have qualified that by saying it's true to roughly the same degree as the claim that a tree's mass comes from the air. I.e. if you wave your hands and ignore a lot of potentially-important second-order effects, it more or less holds water :).