Question : Which one of the following is not a benefit of saliva?
Option 1: It facilitates swallowing
Option 2: It increases RBCs in the body
Option 3: It keeps the mouth and teeth clean
Option 4: It aids speech by facilitating movements of the lips and tongue
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Correct Answer: It increases RBCs in the body
Solution : The correct answer is It increases the RBCs in the body.
Saliva serves multiple functions, such as helping to swallow food easily, making it easier to move the lips and tongue for speaking and maintaining a pH value of 6.7 to prevent the growth of microorganisms and keep the mouth clean. Salivary juices also begin the process of digestion in the mouth.
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