Lungs - Main organ in Respiratory System, Inhalation - Breathing In, Exhalation - Breathing out , Trachea - Windpipe, Pharynx - Throat, Larynx - Voicebox, Inspired Air - Air around us, Nasal Septum - Part that divides our nose, Cilia - Part cause us to sneeze, Respiratory System - Oxygen delivery System, Breathing - Inhalation and Exhalation, Carbon Dioxide - Air we breath out, Oxygen - Air we breath in,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?