In the context of the movie "Oxygen," a dangerously low oxygen level typically refers to blood oxygen saturation levels below 90%. Normal levels range from 95% to 100%. When levels drop below 90%, it can lead to hypoxia, causing symptoms such as shortness of breath, confusion, rapid heart rate, and in severe cases, loss of consciousness or death. In emergency situations, immediate medical attention is crucial to restore adequate oxygen levels.

"Oxygen" is a French science fiction thriller directed by Alexandre Aja. The film follows a woman named Liz, who wakes up in a cryogenic pod with no memory of how she got there. As she struggles to escape, she discovers her oxygen supply is limited, creating a sense of urgency. The film explores themes of survival, identity, and the human will to live. Oxygen, in the context of the movie, is the essential gas that sustains life, and its depletion represents the protagonist's increasing desperation as she fights for survival.

In the movie "Oxygen," there is a reference to drinks that can help increase oxygen levels in the body, particularly those rich in antioxidants and vitamins. While the film does not specify a particular drink, beverages like green tea, beet juice, or smoothies made with leafy greens and fruits (like spinach, kale, and berries) are generally known to support better oxygen circulation and overall lung health due to their nutrient content. Staying hydrated with water is also essential for optimal oxygen transport in the body.

Low oxygen levels in the body can lead to symptoms such as shortness of breath, rapid heartbeat, confusion or disorientation, headache, dizziness, and a bluish tint to the skin, particularly around the lips and fingertips (cyanosis). Other signs may include weakness, fatigue, and in severe cases, loss of consciousness. It's crucial to seek medical attention if these symptoms occur, as they can indicate a serious condition requiring immediate intervention.