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| Q. |
Which one of the following is not a benefit of saliva – |
| A. | It facilitates swallowing |
| B. | It increases RBCs in the body |
| C. | It keeps the mouth and teeth clean |
| D. | It aids speech by facilitating movements of lips and tongue |
| Answer» B. It increases RBCs in the body | |
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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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