CD4 cells are a type of lymphocyte (white blood cell). They are an important part of the immune system. CD4 cells are sometimes called T-cells. There are two main types of T-cells.T-4 cells, also called CD4, are âhelperâ cells. They lead the attack against infections.D4 cells are a type of lymphocyte (white blood cell). They are an important part of the immune system. CD4 cells are sometimes called T-cells. There are two main types of T-cells.
How long to grill bratwurst depends on how you grill them. You can throw them straight on the grill which will take about 25-30 minutes or boil the brats in beer, wine or water for about 20 minutes. After boiling, then they are grilled for 4-6 minutes.
Report Abuse. 1  Cooked Brats. 2  If you grill them and the fire isn't too hot, you can brown the outsides. 3  I like to grill them very slowly.  it needs to be not pink in the center anymore. when you poke it the juice should run clear. or test it with a meat thermometor. teachinval Â· 9 years ago.