Pharynx

• Serves as a passageway for:

  -Food

  -Fluids

  -Air
• Food is propelled to the esophagus by 2 skeletal muscles layers in the Pharynx
• Longitudinal outer ayer
• Circular inner layer
• Alternating contractions of the muscle layers (peristalsis) propel the food
• epiglottis


  flap of tissue that covers the trachea when swallowing food
• peristalsis


  involuntary squeezing action of the muscles in the digestive system; causes food to move through