modern era: ideas and improvements

Question 1

examples of new tech used in 20th and 21st century (4)

Answer 1

x-rays, see inside human without having to cut skin - for broken bones
mri scans, uses magnets and radio waves creating internal image of the body- for soft tissue damage
ultrasounds, used for diagnosing kidney stones and gall stones
blood tests, can diagnose numerous conditions without being invasive

Question 2

after discovery of the structure of the DNA and the work of the Human Genome Project we can now (3)

Answer 2

better understand some genetic conditions, e.g. down’s syndrome
predict whether individuals are at high risk of developing cancers
discover stem cells grow into other cells