Hematology

RBC-function- Erythrocytes (or RBC’s) are the most abundant cell type in the body

• Its primary job is tissue oxygenation

• The cell has 2 unique properties:

o A biconcave shape which makes it optimal for gas transport

o The capacity to be reversible deformed. The cells can change shape to make it

through all the different size vessels in the body

• Erythrocytes have a lifespan of 120 days

• Hemoglobin is the oxygen carrying protein of the erythrocyte that gives RBC’s their

color

• Each erythrocyte has over 300 hemoglobin molecules; 1 HGB can carry 4 oxygen

molecules

Erythropoiesis is the creation of erythrocytes from the bone marrow

Erythropoietin-produced, what does it do- Erythropoietin is the hormone that stimulatesthe

production of erythrocytes.

o It is produced by the kidneys

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