<p><strong>Fig. 9.11.</strong> As a result of the increased pressure, the lungs (pink) compress slightly as a free diver moves from the ocean surface (1 atm of pressure) to 10 m (2 atm of pressure).</p>

Fig. 9.11. As a result of the increased pressure, the lungs (pink) compress slightly as a free diver moves from the ocean surface (1 atm of pressure) to 10 m (2 atm of pressure).

Image by Byron Inouye