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Questions and Answers
What happens when the intercostal muscles between the ribs contract during inhalation?
What happens when the intercostal muscles between the ribs contract during inhalation?
- The ribs are pulled upwards and outwards (correct)
- The ribs are pushed downwards and inwards
- The ribs remain stationary
- The ribs become flexible
What occurs when the diaphragm muscles contract during inhalation?
What occurs when the diaphragm muscles contract during inhalation?
- The diaphragm moves downwards (correct)
- The diaphragm moves upwards
- The diaphragm remains still
- The diaphragm expands sideways
What happens to the volume and pressure inside the chest cavity during inhalation?
What happens to the volume and pressure inside the chest cavity during inhalation?
- Volume decreases, pressure increases
- Volume and pressure both increase
- Volume and pressure remain constant
- Volume increases, pressure decreases (correct)
What occurs when the intercostal muscles relax during exhalation?
What occurs when the intercostal muscles relax during exhalation?
What happens to the volume and pressure inside the chest cavity during exhalation?
What happens to the volume and pressure inside the chest cavity during exhalation?
What happens when the intercostal muscles between the ribs contract during inhalation?
What happens when the intercostal muscles between the ribs contract during inhalation?
What occurs when the diaphragm muscles relax during exhalation?
What occurs when the diaphragm muscles relax during exhalation?
What happens to the volume and pressure inside the chest cavity during inhalation?
What happens to the volume and pressure inside the chest cavity during inhalation?
What occurs when the intercostal muscles between the ribs relax during exhalation?
What occurs when the intercostal muscles between the ribs relax during exhalation?
What happens when the diaphragm muscles contract during inhalation?
What happens when the diaphragm muscles contract during inhalation?
What happens when the intercostal muscles between the ribs relax during exhalation?
What happens when the intercostal muscles between the ribs relax during exhalation?
What occurs when the diaphragm muscles relax during exhalation?
What occurs when the diaphragm muscles relax during exhalation?
What happens to the volume and pressure inside the chest cavity during inhalation?
What happens to the volume and pressure inside the chest cavity during inhalation?
What happens to the volume and pressure inside the chest cavity during exhalation?
What happens to the volume and pressure inside the chest cavity during exhalation?
What occurs when the intercostal muscles between the ribs contract during inhalation?
What occurs when the intercostal muscles between the ribs contract during inhalation?
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