WAEC Biology 2021 Theory — Question 1
Question 1 of 26 from the West African Examinations Council (WAEC) Biology 2021 Theory paper, with the correct answer and a full explanation.
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1(a). A sample of human blood was put in a test tube and allowed to spin in a centrifuge. The components of the blood sample were clearly separated. List the four main components of blood that would be in the test tube.
Model answer
Blood plasma; red blood cells; white blood cells; blood platelets.
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