Blood - BLOOD Platelets WBCs RBCs BLOOD: Functions carries...

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1 BLOOD RBCs RBCs WBCs WBCs Platelets Platelets BLOOD: Functions ¾ • carries • removes • transports ¾ • white blood cells •c lo ts, ¾ • helps maintain • helps maintain
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2 Composition of Blood ¾ • 55% of total blood volume ¾ • 45% of total blood volume • red blood cells (erythrocytes) • white blood cells (leukocytes) • blood platelets (thrombocytes) Plasma 90% water, + dissolved substances: – help maintain pH, osmotic pressure, transport large organic molecules – communication between systems – glucose, amino acids O 2 , CO 2 , nitrogen Liquid portion of blood – help maintain pH •– w a s t e sent to kidneys for excretion
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3 Blood Smear Red Blood Cells (erythrocytes): White Blood Cells (leukocytes): Platelets (thrombocytes): Red Blood Cells • 99% of total cellular component in the blood • Produced from • Lose nucleus when they mature & gain hemoglobin molecules What is the function of hemoglobin?
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Blood - BLOOD Platelets WBCs RBCs BLOOD: Functions carries...

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