cause you ussually need to breath out,and in.
2006-12-12 10:55:14 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Biology
Carbon dioxide is derived from oxygen in the cells by cellular respiration. Nitrogen waste (mainly urea) is also produced in the cells, by metabolism. The CO2 is breathed out, as you said, though it is constantly being produced in the cells. Urea, on the other hand, is excreted in the urine.
2006-12-12 11:02:31 · answer #1 · answered by Peeps 3 · 0⤊ 0⤋
Carbon di oxide from the lungs and nitrogenous wastes from the kidneys. you breathe out carbon di oxide that is brought by the blood in the lungs for exchange of gases.
2006-12-12 23:23:00 · answer #2 · answered by moosa 5 · 0⤊ 0⤋
The diffuse across the cell membrane into the blood stream, co2 is released in the lungs, nitrogen is removed in the kidneys.
2006-12-12 19:04:47 · answer #3 · answered by Anonymous · 0⤊ 0⤋
U have been duked there is no problem with CO2. Where have u been it has all been taken care of by mother nature and her plants. The process is photosynthesis that removes the CO2 and gives us oxygen. Sorry about that sometimes the truth hurts.
2006-12-12 19:20:05 · answer #4 · answered by JOHNNIE B 7 · 0⤊ 0⤋
wow!? that weird but known. more timid understanding, carbon dioxide can come from rust,even your ***, the most i can say is that you need a small opening or big (obviously) so it may get in your body same method applies for nixgeon. sorry i misspelled a word.
2006-12-12 19:02:50 · answer #5 · answered by drake b 1 · 0⤊ 0⤋