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.
NASCAR teams and sponsors generally keep the amounts of their sponsor contracts under wraps. In the Sprint Cup series, itâs been estimated that teams have asked for $18-20 million annually to sponsor a championship-contending car for the 36-race season on the premier circuit.