The primary function of the respiratory system is to fill the ____ with oxygen so that blood can deliver oxygen to all parts of the body. The ____ system does this through ____. When we breathe, we ____ oxygen and exhale ____. The main organ in the respiratory system are the ____ The respiratory tract connects the ____ and the mouth to the ____ We ____ air with our nose and we ____ with our mouth The first part of the respiratory system; consists of nose, mouth, pharynx, larynx & ____ The lower part of the respiratory system consists of the bronchial tree (bronchi, bronchioles) and lungs; protected by ____ ____ is the mechanical action of bringing air in to and out of lungs. ____ is the exchange of ____ and carbon dioxide by diffusion across the lung cells and then the rest of the body's cells. ____ are the 2 holes with little hairs that allows the air to enter our body. ____ vibrates and creates sound. It contains the vocal chords The ____ is a passageway between nose, mouth and larynx ____ is the pipeline that transports air from the pharynx to the lungs The ____ are tubes that take air from the trachea into the lungs. Each bronchus splits into smaller bronchioles A ____ is a small tube that splits into even smaller bronchioles. It distributes air throughout the lungs

RESPIRATORY SYSTEM

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