State the function of trachea and diaphragm in respiration.
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It moves through the pharynx, larynx, and trachea into the lungs. Then air is exhaled, flowing back through the same pathway. Changes to the volume and air pressure in the lungs trigger pulmonary ventilation. During normal inhalation, the diaphragm and external intercostal muscles contract and the ribcage elevates.
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Explanation:
The trachea, or windpipe,
is the widest passageway in the respiratory tract
. It is about 2.5 cm (1 in.) wide and 10-15 cm (4-6 in.) long.
It is formed by rings of cartilage, which make it relatively strong and resilient.
The trachea connects the larynx to the lungs for the passage of air through the respiratory tract.
The trachea branches at the bottom to form two bronchial tubes.
diaphragm is the muscle located under the ribs.
Diaphragm is the structure tat helps separate the abdominal and thoracic cavity that is comprised of ribs ,heart and lungs.
.Diaphragm is a very important organ of the human body because of the fact that it performs on various tasks which are important to keep something living
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