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प्रश्न
In human respiratory system, when a person breathes in, the position of ribs and diaphragm will ______.
विकल्प
lifted ribs and curve/dome shaped diaphragm.
lifted ribs and flattened diaphragm.
relaxed ribs and flattened diaphragm.
relaxed ribs and curve/dome shaped diaphragm.
MCQ
रिक्त स्थान भरें
उत्तर
In human respiratory system, when a person breathes in, the position of ribs and diaphragm will lifted ribs and flattened diaphragm.
Explanation:
During inhalation, muscles flex and move the ribs higher and outward, expanding the thoracic cavity. The diaphragm flattens to expand the lungs' capacity.
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