Which one of the following is not a benefit of saliva – (1) It facilitates swallowing (2) It increases RBCs in the body (3) It keeps the mouth and teeth clean (4) It aids speech by facilitating movements of lips and tongue

Which one of the following is not a benefit of saliva – (1) It facilitates swallowing (2) It increases RBCs in the body (3) It keeps the mouth and teeth clean (4) It aids speech by facilitating movements of lips and tongue
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(2) It increases RBCs in the body Explanation: Saliva does not increase the number of red blood cells in the body which is a condition of disease called Polycythemia. It results in an increased level of circulating red blood cells in the bloodstream. 674.
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