Before They Enter the Blood Stream,what Modification Occurs to Erythrocytes

question 148

Multiple Choice

Before they enter the blood stream,what modification occurs to erythrocytes?

• A) they are loaded with ant-bacterial compounds
• B) they lose their nucleus and other organelles
• C) they absorb oxygen and release carbon dioxide
• D) they are wrapped in a double plasma membrane
• E) they absorb nutrients and expel wastes

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