Page 60 - The Manga Guide to Biochemistry
P. 60

You’re right. It looks like we’d be in real trouble without any C. It really is
              important!

              When carbon leaves an organism’s body, it can bond with two oxygen atoms

              to become carbon dioxide (CO2) or bond with four hydrogen atoms to become
              methane (CH4).

                                 H

                              H  CH
                                    H
                O=C=O
              Carbon dioxide        Methane

              Also, it can accumulate deep underground and, over long periods of time, it will
              become crude oil, coal, and, in some cases, even diamonds.

              Oil! Diamonds! Wow, carbon is really valuable stuff!

              That’s true, but remember: It’s not all about excitement and riches. The
              way carbon circulates is extremely important. Disrupting this balance could
              make carbon dioxide concentration on Earth steadily increase...

              Which would be a serious problem, wouldn’t it?

              Oh man, that sounds like it would be a total bummer...

              Well, think of it this way: If you can understand the Earth as a single circulating
              system and your own body as a system as well, then you’ll realize the impor-
              tance of a healthy balance and the dangers of disrupting that balance. This
              knowledge can lead to insights into the pursuit of health and beauty!

46 Chapter 2
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