Question

Difference between nasal cannula oxygen mask and venturi mask

Answer 1

Nasal cannulas and face masks are used to deliver oxygen to people who don't otherwise get enough of it. They are commonly used to provide relief to people with respiratory disorders.
sources, which come in a variety of sizes.

Nasal cannulas and simple face masks are typically used to deliver low levels of oxygen. Another type of mask, the Venturi mask, delivers oxygen at higher levels. Sometimes nasal cannulas are also used to deliver high levels of oxygen.