Answer:
During inspiration, the diaphragm and external intercostal muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic cavity and lung volume. This creates a lower pressure within the lung than that of the atmosphere, causing air to be drawn into the lungs.
Explanation:
Son las vértebras dorsales :)
Well Sertoli cells<span> keep the germ </span>cells<span> that start the process healthy and nourished. </span>
I vote c because that's very dangerous