Identify Functions Of The Nose, Naospharynx, Mouth, Oropharynx, Larynx, Trachea, Bronchi And Alveoil.

Question 1

Function of the nose.

Answer 1

Main route of air entry into respiratory system, nose hairs filter by catching and trapping particles - in nasal cavity, air is warmed, moistened.

Question 2

Function of the pharynx.

Answer 2

Involved in both respiratory and digestive systems: air passes through nasopharynx and oropharynx into the larynx - food passes through oropharynx and laryngopharynx into the oesophagus.

Question 3

Function of nasopharynx.

Answer 3

Passageway for air.

Question 4

Function of oropharynx.

Answer 4

Passageway for air and food.

Question 5

Function of larynx.

Answer 5

Speech – vocal cords in the larynx - allow air to pass into lungs - blocks food and drink from entering.

Question 6

Function of trachea.

Answer 6

Pathway for O2 to enter body, transports air to and from lungs, moistens and warms air while it passes into lungs.

Question 7

Function of bronchi.

Answer 7

Passageway for O2 to travel to alveoli.

Question 8

Function of alveoli.

Answer 8

Gas exchange – O2 breathed in from air passes through alveoli and into blood – then travels to tissues throughout the body.

Question 9

Function of mouth.

Answer 9

Secondary external opening for respiratory system.