Answer the following statement(s) true (T) or false (F)

1. Incompatibility of one person's blood with another results from the action of plasma antibodies against the RBCs' antigens.
2. Circulating WBCs spend most of their lives in the bloodstream.
3. Lymphocytes secrete antibodies, coordinate action of other immune cells, and serve in immune memory.
4. Monocytes differentiate into large phagocytic cells.


1. True
2. False
3. True
4. True

Anatomy & Physiology

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the membrane returns to its resting membrane potential

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