Study Guides/Biology/Food Pipe (Esophagus)
Study Guide ┬╖ Biology

The Food Pipe (Esophagus) in Digestion

The human digestive system is a long, continuous tube called the alimentary canal. One of the most important transport sections of this tube is the Food Pipe, medically known as the Esophagus (or Oesophagus).

Question (Click to Flip)

What is the scientific name for the food pipe?

Answer

The scientific name for the food pipe is the esophagus (or oesophagus).

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Key Facts

Medical Name: Esophagus / Oesophagus.

Function: Transports food from the mouth to the stomach.

Mechanism: Peristalsis (wave-like muscular contractions).

Safety Trap: The Epiglottis stops food from entering the windpipe.

What is the Food Pipe?

The esophagus is a long, muscular tube (about 25 cm or 10 inches long in adults) that connects the throat (pharynx) to the stomach. It runs down through the neck and chest.

Function: Peristalsis

The food pipe doesn't just let food drop down by gravity (which is why you can swallow food even when lying down or hanging upside down!).

Instead, it transports chewed food (called a bolus) using powerful, wave-like muscular contractions.

  • The muscles behind the food contract to push it forward, while the muscles in front of the food relax to let it pass.
  • This continuous wave-like movement is called Peristaltic movement (or Peristalsis).

The Epiglottis

Have you ever wondered why food doesn't go into your lungs? At the top of the food pipe is a small flap of tissue called the Epiglottis. When you swallow, the epiglottis automatically closes over the windpipe (trachea) so that food only goes down the food pipe.

Questions and Answers

What is the scientific name for the food pipe?+

The scientific name for the food pipe is the esophagus (or oesophagus).

How does food move down the food pipe?+

Food moves down the food pipe through continuous, wave-like muscular contractions and relaxations called peristalsis.

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