How many major salivary glands are present in the human body?

The human body contains four major salivary glands, which are integral to the oral and digestive systems. These glands include the parotid glands, submandibular glands, and sublingual glands. Each of these glands has a specific location and function related to saliva production.

The parotid glands are the largest and are located near the ears, primarily producing serous (watery) saliva. The submandibular glands are located beneath the jaw and produce both serous and mucous saliva. The sublingual glands are found under the tongue and mainly produce mucous saliva. Together, these glands play essential roles in the process of digestion, oral hygiene, and the facilitation of speech by moistening food and aiding in its breakdown.

While there may be smaller accessory salivary glands present in the oral cavity, the question specifically refers to the major glands, which confirms that the total count is four.