Category: Science Discoveries

What is an amide group?

What is an amide group? Amide, an organic functional group characterized by a carbonyl group linked to a nitrogen atom, or a compound that contains this f...

What machine is used for PFT?

What machine is used for PFT? A spirometer is a device with a mouthpiece hooked up to a small electronic machine. Plethysmography. You sit or stand inside...