EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Your ____ is a muscle connected to the bottom of your lungs that helps your lungs expand and contract when you breathe.
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esophagus
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alveoli
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trachea
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diaphragm
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Explanation:
Detailed explanation-1: -The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Detailed explanation-2: -The diaphragm: This dome-shaped muscle below your lungs separates the chest cavity from the abdominal cavity. The diaphragm is the main muscle used for breathing.
Detailed explanation-3: -From a functional point of view, there are three groups of respiratory muscles: the diaphragm, the rib cage muscles and the abdominal muscles. Each group acts on the chest wall and its compartments, i.e. the lung-apposed rib cage, the diaphragm-apposed rib cage and the abdomen.
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