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X-rays. X-rays was discover in 1895. X-ray are shone through the body. Each kid of tissue lets x-rays through differently. X-rays are very good at showing up bones.so if you break a bone it will probably be x-rayed. Immunisation. Immunisation is also a key to ensure global health.
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X-rays are very good at showing up bones.so if you break a bone it will probably be x-rayed.
Over 1 million young children die every year from diarrhoea or from other diseases.
MRI machine can show problems that cant be seen with other machines.