round or spherical-shaped bacteria.
molecule that forms when carbon dioxide attaches itself to the amino group of a haemoglobin...
invisible, short-wave radiation emitted by the sun, which can cause cancer in humans.
a watery fluid secreted into the alimentary canal.
an individual who donates an organ for the purpose of transplanting it into another person in an...
also known as sodium hydrogen carbonate. It is a crystalline white solid that usually appears as...
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