Thymus Essentials. 1  The thymus gland, located behind your sternum and between your lungs, is only active until puberty. 2  After puberty, the thymus starts to slowly shrink and become replaced by fat. 3  Thymosin is the hormone of the thymus, and it stimulates the development of disease-fighting T cells.
Southwest Rapid Rewards. #3 in Best Airline Rewards Programs. The Southwest Rapid Rewards program is most beneficial for budget-minded travelers based in the United States who frequently fly to major cities around the U.S., Mexico and the Caribbean. Southwest offers more than 3,900 flights a day to more than 90 destinations.
Contact of Southwest Rapid Rewards customer service. Contact Rapid Rewards: Find below customer service details of Southwest Airlinesâ frequent flier programme Rapid Rewards, including phone and address. You can reach the below contacts for queries on new membership, mileage credit, transfer/purchase of miles, award tickets or other queries. Besides contact details the page also offers information and links on Rapid Rewards services. Rapid Rewards Customer Service. Phone: 1-800-445-5764. Phone: 1-800-435-9792 (reservation desk)