Blood and immune system

How does our immune system work? What is blood made of? How is the body supplied and how does it manage to repair itself time and again?

Popular in Blood and immune system

  • How is body temperature regulated and what is fever?

    A healthy body functions best at an internal temperature of about 37°C (98.6°F). A body temperature of 38°C (100.4°F) or more is considered to be a f...

  • Harvesting blood stem cells for transplantation

    Blood stem cells used to be taken mainly from bone marrow, where they develop. Nowadays it is also possible to filter stem cells directly out of the ...

  • How can you protect yourself from respiratory infections?

    Cold and flu viruses are spread through droplets. One of the most effective things you can do to protect yourself and others is stop the viruses from...

  • Stem cell transplantation for treating cancer

    Stem cell transplantation is used in treating the various forms of blood cancer, for instance leukemia. It is a very strong, high-dose form of chemot...

  • How do cancer cells grow and spread?

    Cells become specialized in order to perform particular tasks. Due to the instructions in their DNA, cells normally “know” which other cells to join ...

  • What are microbes?

    Microbes are tiny living things that are found all around us. Some microbes make us sick, but others are important for our health. The most common ty...