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Title: Which of these statements about white blood cells (WBCs) is TRUE? Post by: hannah20082 on Jan 18, 2018 Which of these statements about white blood cells (WBCs) is TRUE?
a. They are responsible for the exchange of O2 and CO2. b. They are active in the clotting mechanism of the body. c. They are produced by the liver according to the demand of the body. d. They are responsible for fighting infection and assisting with immunity. Title: Which of these statements about white blood cells (WBCs) is TRUE? Post by: dalj;a on Jan 18, 2018 Content hidden
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