MICROANATOMY

Detailed explanation-1: -Oropharynx: The middle part of the throat connects to the oral cavity (mouth). It allows air, food and fluid to pass through. Laryngopharynx (or hypopharynx): The bottom part of the throat is near the larynx (or voice box). It regulates the passage of air to the lungs and food and fluid to the esophagus.

Detailed explanation-2: -The pharynx is divided into three parts: nasopharynx, oropharynx and laryngopharynx. o Nasopharynx-located behind the nasal cavity, it connects the nasal cavity to the oropharynx. laryngopharynx and serves as a passageway for both food and air.

Detailed explanation-3: -The throat (pharynx and larynx) is a ring-like muscular tube that acts as the passageway for air, food and liquid. It is located behind the nose and mouth and connects the mouth (oral cavity) and nose to the breathing passages (trachea [windpipe] and lungs) and the esophagus (eating tube).

Detailed explanation-4: -The esophagus is a collapsible muscular tube that serves as a passageway between the pharynx and stomach. As it descends, it is posterior to the trachea and anterior to the vertebral column. It passes through an opening in the diaphragm, called the esophageal hiatus, and then empties into the stomach.