Example: tourism industry
Grade 7: The Respiratory System and Lungs Lesson 1: The ...

Grade 7: The Respiratory System and Lungs Lesson 1: The ...

Back to document page

Grade 7: The Respiratory System and Lungs – Revised 2008 Page 3 • Esophagus – Food moves through the pharynx into the esophagus, which is the passageway for food into the stomach. • Epiglottis – Acting as a trapdoor to the trachea, it keeps food from entering the trachea and blocking the airway.

  System, Lungs, Grade, Grade 7, The respiratory system and lungs, Respiratory

Download Grade 7: The Respiratory System and Lungs Lesson 1: The ...

15
Please wait..

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Other abuse

Related search queries