Question

what is ventilation? & also it's work?​

Answer 1

Mechanical ventilation refers to any system that uses mechanical means, such as a fan, to introduce subaerial air to a space. This includes positive pressure ventilation, exhaust ventilation, and balanced systems that use both supply and exhaust ventilation.

Hope its help

Answer 2

How Does a Ventilator Work? A ventilator moves air into and out of the lungs (oxygen in and carbon dioxide out). It can be inserted through the mouth or nose, and down the trachea, or through a surgical opening, via tracheostomy.