The immune system protects your body from sickness and germs. 2. Leukocytes are white blood cells that seek out and destroy organisms or substances that can cause disease. 3. Lymph nodes are glands that work like filters to remove germs.
The number of sets allowed per each team varies based upon the type of track and the length of the race. Each tire costs $449 each, and teams spend an average of $20,000 on tires for a single race. Tires lasts about 100 miles on a NASCAR track. They are 11.5 inches wide with a weight of 24 pounds each. Goodyear manufactures 18 different tires for NASCAR teams over an entire season.
List of NASCAR teams. NASCAR teams compete in all three national NASCAR series: the Monster Energy NASCAR Cup Series, Xfinity Series, and Camping World Truck Series, as well as in all the regional touring series. A team is limited to four cars in each of the NASCAR series. The team often shares a single manufacturer for all of the team's cars, but each car has an independent car number, driver, and crew chief.