EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Since the lungs expand, the ribcage also needs to become ____
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smaller
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larger
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Rib Cage and Abdominal Motion During normal breathing, contraction of the major inspiratory muscle, the diaphragm, produces both rib cage expansion and a downward movement of the diaphragm. These movements cause the pressure around and in the lung to become negative relative to atmosphere.
Detailed explanation-2: -The lungs are the organs in the chest involved in breathing. The lungs are surrounded and protected by the rib cage. The lung on the left side of the body is a little smaller than the lung on the right. The lungs transfer oxygen from the air to the blood and remove carbon dioxide (a waste material) from the blood.
There is 1 question to complete.