Marvels of Medicine
Medicine has entered an exciting new stage. With today’s technology, doctors can now observe the human body working on the inside without cutting it open. Vaccines and genetically engineered viruses can help the body to repair itself., and some inventions can actually replace broken and damaged organs. Artificial parts include electronic ears, plastic stomachs, mechanical hearts, heart pacemakers and ceramic hips. Doctors today use carpentry techniques and stainless steel or plastic nuts, screws and bolts to hold broken bones together. Fifty years ago, these bones never would have healed. Skin, Kidneys, heart, liver, ova, sperm, lungs, corneas and bone marrow can be transplanted from person to person. Microsurgery rejoins the smallest blood vessels and nerves that have been cut in accidents.