Respiration - Breathing in oxygen and exhaling carbon dioxide, Trachea - proper name for windpipe, Bronchi - two big tubes that come from the trachea and lead into your lungs, Lungs - major organ on the respiratory system, Diaphragm - a big, flat muscle located at the bottom of your chest, right under your lungs, Larynx - the voice box, a special part in your throat that helps you talk and make sounds, Carbon dioxide - waste gas that we breath out, Bronchioles - tiny branches that come from the bronchi that help move air deeper into your lungs, Alveoli - tiny, balloon-like sacs where oxygen from the air passes into your blood, Cilia - tiny, hair-like structures that line the inside of your throat and lungs that clean the air we breath in,

Respiratory System

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