The effects of painkillers on the heartrate of a daphnia

Late one afternoon, a lady was driving home in the rush hour traffic. The last thing she needed was a pounding headache. While she was stopped, she dug in her purse for some aspirin to relieve her headache. She chugged it down with the Pepsi sitting by the seat. Her only worry was to relieve her headache. The affect of the painkiller on the other parts of her body was not a concern to her …

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