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- 1What is x-ray?a form of electromagnetic radiation which is used to take images of broken bones and some soft tissues (ionising radiation)
- 2what is ultrasound?has a frequency higher than human hearing. some tissues and organs reflect these waves back and the time taken for them to return is used to measure their depth it is often used to create images of unborn babies
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- Karteikarten am Ohne Titel, erstellt von Daisy888 am 13/05/2014.
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- Daisy888
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