Question

Describe the changes that take place around the diaphragm state the effects

Answer 1

The diaphragm is a dome-shaped muscle located below your lungs. It separates the chest cavity from the abdominal cavity. The diaphragm is the main muscle used for breathing. The intercostal muscles are located between your ribs.

Answer 2

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• the diaphragm in the respiratory system is the dome shaped sheet of muscles that separates the chest from the abdomen
• during inhalation the diaphragm contracts and moves in the inferior direction,,,,,thus enlarging the volume  of thoracic cavity
• this reduces the pressure in the lungs and air enters into it
• during exhalation the diaphragm relaxes and assumes its dome shape
• this change inreases the pressure on the lungs and squeezes the air out through the nose to the external atmosphere

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