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The ribs move down and inwards during:
  • a)
    Inhalation
  • b)
    Digestion
  • c)
    Excretion
  • d)
    Exhalation
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The ribs move down and inwards during:a)Inhalationb)Digestionc)Excreti...
During exhalation, ribs move down and inwards, while diaphragm move upwards and relaxes. This reduces the size of the chest cavity and air is pushed out of the lungs.
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Most Upvoted Answer
The ribs move down and inwards during:a)Inhalationb)Digestionc)Excreti...
When the diaphragm contracts, it moves down towards the abdomen. This movement of the muscles causes the lungs to expand and fill with air, like a bellows (inhalation). Conversely, when the muscles relax, the thoracic cavity gets smaller, the volume of the lungs decreases, and air is expelled (exhalation).
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Community Answer
The ribs move down and inwards during:a)Inhalationb)Digestionc)Excreti...
Ribs cover lungs and diaphragm lies below lungs. The process of taking in air and exhaling is known as breathing. When we inhale diaphragm moves downwards and ribs move outwards or upwards, increasing the surface area of lungs so that more air could be inhaled at a time. When we exhale diaphragm moves upwards and ribs move inwards or inwards thus pushing air outside. By this way ribs and diaphragm help in the mechanism of breathing.
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The ribs move down and inwards during:a)Inhalationb)Digestionc)Excretiond)ExhalationCorrect answer is option 'D'. Can you explain this answer?
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