Booktok's Reaction to Oxygen & Flight Attendants

#🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣 | propane tank expansion

Jena (@u7ena)’s video of a little bit of oxygen

Simulated engine failure during training. Practicing scenarios like this builds the habits and decision-making skills needed to respond methodically under pressure. In aviation, preparation matters long before an emergency ever happens. The student in this case reacted well given he is a newer student. #aviation #flighttraining #emergencyprocedures #studentpilot #cfi

Insanely Low Pass in Boeing 777

Maybe In The Next Life ✈️💀

Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre

Typical supplemental oxygen delivery day — Nana Ama McBrown

How Helium Causes Oxygen Deprivation 😨 Surgeon Reacts