Q.19. Which is not the function of our tongue? a. Help in swallowing food b. Mixing food with saliva c. Help us to taste the food d. Secret saliva in buccal cavity
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The effort arm (or arm of applied force) is the portion of the lever to which we apply the effort, or input force. ... In a first-class lever, the effort arm and load arm are located on opposite sides of the fulcrum, and effort is applied in the same direction as the force exerted by the load.
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d. Secret saliva in buccal cavity
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