Emergency Medical Technician (EMT) Medical MCQs Rescue 1122 An Adult has …….liter average blood in body. November 12, 2021 Admin No Comments A: 12-15 days B: 12 weeks C: 12 days D: 115-120 days Correct Answer: d Short Details: The life span of WBCs is 12 to 15 days. View More Details >>
