Question

medicine is the science and ort of maintaining health and healing diseases. Can
you write the answers the people with medicinal development .


1. 1901: identification of human
blood types
2. 1928: discovery of penicillin
3. 1952: first successful polio vaccine
4. 1953; discovery of the structure of DNA
5. 1967: first human heart transplant​

Answer 1

Explanation:

✳Answer✳

✳ 4. 1953 ; discovery of the structure of DNA✳