Nasal cavity, The space in the nose that warms and filters air, Trachea, The windpipe that carries air to the lungs, Bronchi, The two main tubes that branch off from the trachea into each lung, Bronchioles, Small branching tubes inside the lungs, Alveoli, Tiny air sacs where gas exchange happens, Lungs, The main organs where gas exchange takes place, Diaphragm, The muscle that helps you breathe by moving up and down, Pharynx, The throat area that connects the nose and mouth to the trachea, Larynx, The voice box that helps you speak, Oxygen, The gas your body needs for energy, Carbon dioxide, The gas your body removes as waste

Respiratory System

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