Question

what is the function of nose and nostrils during inhalation in humans

Answer 1

nose helps in inhaling the air and nostrils don't let the dust practical to go inside

Answer 2

nose has an area specialised cells which are responsible for smelling ( part of the olfactory system) and inhaled air , whereas function nostril is to warm , mosturize and also filter the air entering in the body before it reaches to the lungs