Divers wear tanks full of oxygen to help them breathe while they are under water. When the tanks start to get empty, they resurface.
Air, helium-oxygen mix, good lungs...
isn't it a scoober diving kit?
so the diver can breath.
From a regulator attached to a scuba tank.
from holding their breath and ascending.
so they can breath underwater
the anser is AQUALUNG
The cast of The Last Breath - 2009 includes: Judy Belcher as Diver Megan Dicker as Diver Wendy Edmunds as Elsie Stuart Farquhah as Diver Alastair Farquhah as Diver Harper Jackson as Boy Mae Jackson as Girl Francis Magee as Paul Kelvin Sara Markland as Mary Simon Messon as Diver Sarah Savage Carole Weyers as Anna Kelvin
diver holds his breath upon ascent
Boyle's Law explains how the water pressure increases as you hold your breath. For example, the deeper a diver goes, the higher the pressure and the harder it is to hold your breath.
Oxygen Tank + mask
a gas emboli can occur if a diver were to hold his or her breath upon ascent
yes oxygen is the gas that helps us breath without it we would die