Intake valve 19l cvh Free 3D model

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The human organism has a unique physiological process where air enters through the nasal cavity or mouth and travels down to the trachea. A complex system then diverts oxygenated air towards the lungs while simultaneously forcing out waste products such as carbon dioxide, known commonly as breath. A highly sensitive organ at the back of the head named the olfactory system works constantly, interpreting scents which may originate from the immediate environment or through distant areas to convey crucial information regarding an organism's presence and surroundings. To continue the vital cycle of taking in fresh oxygen and removing exhaust carbon dioxide a device within our physical structure has evolved known as the epiglottis that separates air flowing through a channel connecting trachea to stomach and oesophagus named esophagus, where nutrient intake takes place. It directs each gas molecule into specific passages of varying size to ensure smooth inhalation, facilitating an organism's breathing mechanism to take in a mix rich oxygen from surrounding areas effectively and simultaneously clear waste products out via expulsion with less resistance than without.