7 Questions
What is the primary effect of diaphragm contraction on thoracic cavity dimensions?
Increase in vertical dimension
What is the main function of the intercostal muscles in respiration?
Elevating and outwardly moving the ribcage
What happens to the thoracic cavity volume during inhalation?
It increases
What is the result of the descent of the diaphragm during inhalation?
More space for the lungs to expand
What is the primary effect of chest contraction on thoracic cavity dimensions?
Increase in anteroposterior and lateral dimensions
What is the outcome of the increased thoracic cavity dimensions during inhalation?
More air enters the lungs
What is the overall effect of diaphragm and chest contraction on lung volume?
Increase in lung volume
Test your knowledge of the respiratory system's anatomy and physiology, including its organs, functions, and measurements. Learn about common diseases and disorders associated with the system. Practice exercises on respiratory physiology.
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