cold war in British English. See all translations. uk â /ËkÉÊld ËwÉËr/ us â /ËkoÊld ËwÉËr/. âº a state of extreme unfriendliness existing between countries, especially countries with opposing political systems, that expresses itself not through fighting but through political pressure and threats.
The spleen is the largest organ of the lymphatic system. Its primary function is to filter blood of damaged cells, cellular debris, and pathogens. Like the thymus, the spleen houses and aids in the maturation of lymphocytes. Lymphocytes destroy pathogens and dead cells in the blood.
The kidneys filter your blood from salts and minerals, drugs and waste materials produced in chemical processes in the body, as urine.The urine is then stored in the bladder until it is eliminated.he kidneys. Nitrogenous waste from the blood is excreted in the form of urine. Kidney In mammals, the kidneys and bladder are responsible for removing excess nitrogen in the â¦ form of Urea.  .