State the location of the three major salivary glands in humans.

(N/A) The three major salivary glands in humans are located as follows:
$1$. Parotid Gland: These are the largest salivary glands, located in each cheek, just in front of and below the ear.
$2$. Sublingual Gland: These are the smallest of the major salivary glands, located beneath the tongue on the floor of the oral cavity.
$3$. Submandibular Gland: These glands are located beneath the lower jaw (mandible), near the angle of the jaw.