Sister Anna Marie Vrazel, a nun with the Sisters of Divine Providence, donates blood at the South Texas Blood &amp; Tissue Center, Monday, Feb. 20, 2017. Inspired by her father, Vrazel has donated blood since 1969. Helping her is Krystal Garza. Vrazel is a member of the 40 gallon club and with her latest donation made it to 41gallons. Photo: JERRY LARA, Staff / San Antonio Express-News / © 2017 San Antonio Express-News