What is ventilation in biology?
Ventilation, or breathing, is the process of moving air into and out of the lungs, providing oxygen and removing carbon dioxide.
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What are the muscles involved in ventilation?
The diaphragm, external intercostal muscles, and internal intercostal muscles control the volume of the thorax for ventilation.
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What role does the diaphragm play in ventilation?
The diaphragm contracts to move up and out, increasing thoracic volume and aiding in inspiration.
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How do the external intercostal muscles assist in breathing?
They contract to pull the ribcage up and out, expanding the thorax and facilitating inspiration.
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How do the external and internal intercostal muscles work together?
They have opposite effects: external muscles expand the ribcage for inspiration, while internal muscles contract for expiration.
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