प्र: Select the correct statement about the pharynx.

• 1
  The auditory tube drains into the nasopharynx
• 2
  The laryngopharynx blends posteriorly into the nasopharynx
• 3
  The palatine tonsils are embedded in the lateral walls of the nasopharynx
• 4
  The pharyngeal tonsil is located in the laryngopharynx