Information i got from a friend's blog. Below is written by Wan Cheng Huat.
This matter that I am about the share here actually did cross my mind on the day that Janice bought Baskin Robbins Ice Cream on March 31, 2008. There were 3 small block of dry ice in the Baskin Robbins paper bag; it was to keep the ice cream cool. I realized that dry ice was made out of carbon dioxide (CO2) and the effects of inhaling too much CO2 could be detrimental. I did contemplate awhile on the matter but did not weight it to be as severe as I could had been; as the blocks were really small like a size of a 20 cent coin.
Exactly a week later, I received an email from my dad regarding the similar situation. This time it involved a larger amount of ice cream; which directly meant larger amount of dry ice to go with it. In a small enclosed area like in a car, CO2 cannot escape into the environment. Little did the driver know, he set up a potential silent killing box. He found himself short of breath and began to feel woozy. Fortunate for him, there was an ambulance beside him (I don't trust this part of the email, how coincidence). He immediately requested help.
Our blood has higher affinity towards CO2 than O2; which means that CO2 will bond better than O2 when it comes in contact with our blood. This means gradually our body receives lesser and lesser O2 and eventually will lost its functionality. This condition is called CO2 poisoning. In a perfect conditions, death is inevitable.
Not many of us are that fortunate to have an ambulance beside us. For me, I could do without the dry ice next time I ever buy myself a Baskin Robbins take away.
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