Graded A+
What role does hemoglobin play?
✔✔Hemoglobin is used to measure oxygen levels in the body and transports oxygen.
What is plasma?
✔✔Plasma is a non-cellular fluid component that makes up 55% of the blood.
What are erythrocytes?
✔✔Erythrocytes, or red blood cells, are the most numerous cells in the blood, with counts
ranging from 4 to 6 million per microliter. They transport oxygen and carbon dioxide and lack a
nucleus.
What are leukocytes?
✔✔Leukocytes, or white blood cells, range from 4,800 to 10,800 per microliter. They are less
abundant than red blood cells and help protect the body from infections.
What are platelets?
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