Which mixture is used for respiration by deep | vedclass

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(D) Scuba divers must cope with high concentrations of dissolved gases while breathing air at high pressure underwater. Increased pressure increases t

Vedclass · Accepted Answer

$He + O_2$

Vedclass · Answer

(D) Scuba divers must cope with high concentrations of dissolved gases while breathing air at high pressure underwater. Increased pressure increases the solubility of atmospheric gases in the blood. When divers ascend towards the surface,the pressure gradually decreases,which can cause nitrogen bubbles to form in the blood,a condition known as 'bends' or decompression sickness. To avoid this,scuba divers use tanks filled with air diluted with helium (typically $11.7 \% 	ext{ helium}, 56.2 \% 	ext{ nitrogen, and } 32.1 \% 	ext{ oxygen}$). Helium is used because it is less soluble in blood than nitrogen. Thus,option $(d)$ is correct.

Which mixture is used for respiration by deep sea divers?

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