What are memory cells in the immune system?

What are memory cells in the immune system? B lymphocytes are the cells of the immune system that make antibodies to invade pathogens like viruses. They form memory cells that remember the same pathogen for faster antibody production in future infections. What are memory cells? Lymphocytes are produced in response to the specific antigens on a … Read more

Why is the dependency load important?

Why is the dependency load important? The higher the dependency ratio, the more people who are not of working age, and fewer who are in the labour force (and paying taxes). The 2011 Australian Census results tell us that 19.3% of the population is aged under 15, and 14% are over 65. How will the … Read more