Water is made up of the elements hydrogen and oxygen. The smallest particles of matter are called atoms. Remember the carrot from the other chapter. If you continue to chop a carrot into smaller and smaller pieces, eventually you would reach a point where you could not cut up the carrot anymore, but still have carrot.
occult blood test. a test for the presence of microscopic amounts of blood in the feces secondary to bleeding in the digestive tract. The minimal amounts of occult blood normally passed into the GI tract are not usually significant enough to cause a positive result for occult blood testing.
A. Occult blood is blood in the stool that is not visible to the naked eye. This type of bleeding is detected by performing a laboratory test on a stool sample.This answer should not be considered medical advice... This answer should not be considered medical advice and should not take the place of a doctorâs visit.ccult blood is blood in the stool that is not visible to the naked eye. This type of bleeding is detected by performing a laboratory test on a stool sample. This answer should not be considered medical advice...