What is the primary role of the salivary duct?

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To transport saliva produced by the terminal secretory units into the mouthTo provide antibacterial defense by releasing lysozymes and lactoferrinTo produce secretory glycoproteins through Kallikrein enzyme activity in striated duct cellsNone of the listed functions

Explanation

The main function of the salivary duct is to carry saliva from the terminal secretory units to the oral cavity. While other options describe related functions, such as antibacterial secretion and enzyme synthesis, these are not the primary roles of the salivary duct.