Los elementos: el oxígeno

Oxygen is a vital element for life, existing as an odorless, tasteless, and colorless gas, and a pale blue liquid. It is crucial for breathing in plants and animals, including fish, which extract it from water. Industrially, oxygen is used in welding and medically to treat conditions like pneumonia. It is the most abundant element in the earth's crust, highlighting its significance.

What role does oxygen play in medicine?

Why is oxygen considered essential for life?