How Cells Work | HowStuffWorks At a microscopic level, we are all composed of cells. Look at yourself in a mirror -- what you see is about 10 trillion cells divided into about 200 different types. Our muscles are made of muscle cells, our livers of liver cells, and there are even very specialized types of cells that make the enamel for our teeth or the clear lenses in our eyes! If you want to understand how your body works, you need to understand cells. Anyone who reads the paper or any of the scientific magazines (Scientific American, Discover, Popular Science) is aware that genes are BIG news these days. BiotechnologyGene splicingHuman genomeGenetic engineeringRecombinant DNAGenetic diseasesGene therapyDNA mutationsDNA fingerprinting or DNA profiling Gene science and genetics are rapidly changing the face of medicine, agriculture and even the legal system! In this article, we'll delve down to the molecular level to completely understand how cells work. What is a virus and how does it work at the molecular level?
Medicine and Technology [part of HCPLive]: Donate your medical textbooks to Operation Medical Libraries Developing countries have a need for more medical textbooks. Can you imagine going through medical school without a single book? How about going through medical school without any lectures, slides, or a computer? The reality is that many health care providers are learning to become doctors and nurses without having access to vital educational resources. That's exactly why the UCLA Medical Alumni Association started Operation Medical Libraries (OML) in 2007. OML exists to shrink the educational gap in all areas of the health sciences in developing countries, which globally face the same problem: doctors and nurses go without the latest professional information they need to provide proper health care to their patients. You can learn about Operation Medical Libraries by clicking here. Here's their mission statement: I personally think the answer to the large education gap in developing countries will get bridged via the use of digital media.
Blood Groups, Blood Typing and Blood Transfusions The discovery of blood groups Experiments with blood transfusions, the transfer of blood or blood components into a person's blood stream, have been carried out for hundreds of years. Many patients have died and it was not until 1901, when the Austrian Karl Landsteiner discovered human blood groups, that blood transfusions became safer. Mixing blood from two individuals can lead to blood clumping or agglutination. The clumped red cells can crack and cause toxic reactions. Karl Landsteiner's work made it possible to determine blood groups and thus paved the way for blood transfusions to be carried out safely. What is blood made up of? An adult human has about 4–6 liters of blood circulating in the body. Blood consists of several types of cells floating around in a fluid called plasma. The red blood cells contain hemoglobin, a protein that binds oxygen. The white blood cells fight infection. The platelets help the blood to clot, if you get a wound for example. AB0 blood grouping system 1. 2.
CELLS alive! INSIGHT HEART Augmented Reality App