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.
NASCARâs decision to reduce horsepower and downforce for next season will keep teams, engine builders and Goodyear busy in the coming months. NASCAR announced Tuesday that it will reduce horsepower in a Sprint Cup engine from 850 to 725. NASCAR also is cutting the rear spoiler on a Cup car from 7.25 to 6 inches and banning team-initiated testing. Teams will be allowed to take part in Goodyear tire tests.