What is the role of mouth in respiration?
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The Mouth plays a vital role in the entire respiratory system. Do you know that the mouth is also called as the Oral Cavity of the body? The Mouth is the subordinate opening of the complex respiratory tract.
Though we all breath through our nostrils and nasal cavity, oral cavity can be utilized in the absence or as a replacement of the functions carried out by the nasal cavity.
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The role of mouth in respiration is very important. It acts a second external opening for respiratory tract and is located in the upper part of the tract. The mouth helps in increasing the air uptake into the lungs when the person does a lot of exercise or has problem with breathing due to a blocked nose when he has a cold.
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