Nose structure and function

Question 1

Where is the Nasal cavity located?

Answer 1

upper most part of respiratory tract

Question 2

What is the nasal cavity lined by?

Answer 2

lined by ciliated, mucus-secreting, highly vascular mucosa

Question 3

What does the mucosa help do in the nasal cavity?

Answer 3

Clean inspired air
warm air
humidify air
keeps respiratory tract clean and moist

Question 4

What is the mucus production of the mucosa?

Answer 4

1 liter per day

Question 5

What is the function of the cilia?

Answer 5

brush away particles in inspired air and move mucus towards back of throat where it is unconsciously swallowed.

Question 6

What is the nasal cavity continuous with posteriorly?

Answer 6

the pharynx

Question 7

What is the nose divided into?

Answer 7

nasal cavity

external nose

Question 8

What is the external nose comprised of?

Answer 8

nares

vestibules

Question 9

What are the nasal cavities comprised of?

Answer 9

olfactory region

respiratory region

Question 10

Where does air leave the nasal cavity?

Answer 10

Nasopharynx via the choanae