Final answer:
The parotid gland secretes saliva through the Stensen's duct, which is located near the second upper molar tooth. This duct delivers watery saliva containing salivary amylase into the mouth.
Step-by-step explanation:
The parotid gland secretes saliva through the Stensen's duct. This duct is also known as the parotid duct, which is responsible for delivering saliva into the mouth, specifically near the second upper molar tooth. The parotid glands' saliva is watery and contains salivary amylase, which begins the digestion of starches in the mouth.