. GET PRICE Send E-mail A&P chapter 00 blood Flashcards | Quizlet In a ,centrifuged blood sample,, the buffy coat situated between the formed elements and the plasma contains _____. slightly alkaline. ,Blood, is _____ erythrocytes in ,blood,. The hematocrit is the percentage of _____ erythrocyte. Which formed element is the most abundant in ,blood,?