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Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues
An ignition- or mixture-related misfire can cause hash on the oxygen sensor waveform.
There are many ways for an individual to monitor his or her blood glucose level
People in poor, urban areas often find themselves in “food deserts"
Commonly Used Food Additives