Pulmonary System Structures

Question 1

Function of Nasal Cavity

Answer 1

Traps dirt and microbes in the hair & mucus of the nose; warms up air before entering lungs

Question 2

Function of Nostril

Answer 2

Sense of smell, open passage of air into nasal cavity

Question 3

Function of Pharynx

Answer 3

Allows both air and food to travel down the esophagus

Question 4

Function of Larynx

Answer 4

Specific to the respiratory system; controls the Epiglottis & protects trachea from food by closing when swallowing

Question 5

Function of Trachea

Answer 5

Allows air to travel freely to the lungs

Question 6

Function of Right Main (Primary) Bronchus

Answer 6

Subdivides into three secondary bronchi (lobar bronchi); delivers oxygen to the three lobes of right lung

Question 7

Function of Left Main (Primary) Bronchus

Answer 7

Subdivides into two secondary bronchi (lobar bronchi); delivers oxygen to the two lobes of left lung

Question 8

Function of Alveoli

Answer 8

Gas exchange; taking CO2 from the blood and replacing it with O2

Question 9

Function of Bronchiole

Answer 9

Branches of Bronchi; smallest passages before Alveoli

Question 10

Function of Conducting Zone

Answer 10

Transport air to and from the lungs; warming, humidifying, filtering

Question 11

Function of Respiratory Zone

Answer 11

Facilitate Gas Exchange

Question 12

Function of Capillaries

Answer 12

Connection of arteries and veins

Question 13

Function of Diaphragm

Answer 13

Contracts and releases to facilitate the intake of air

Question 14

Function of Lungs

Answer 14

Overall, providing necessary oxygen to the body

Question 15

Function of Epiglottis

Answer 15

Covering the larynx and trachea during intake of food or liquid into the lungs

Question 16

Function of Cartilaginous Rings

Answer 16

Structural support; prevent collapsing of airways

Question 17

How many lobes does the right lung have?

Answer 17

Three lobes

Question 18

Name the three lobes of the right lung.

Answer 18

Superior, Middle, & Inferior Lobes

Question 19

What fissure separates the Superior & Middle lobes of the right lung?

Answer 19

Horizontal Fissure

Question 20

What fissure separates the Middle & Inferior lobes of the right lung?

Answer 20

Oblique Fissure

Question 21

Name the lobes of the left lung.

Answer 21

Superior & Inferior Lobes

Question 22

What is the fissure that separates the inferior & Superior lobes of the left lung?

Answer 22

Oblique Fissure

Question 23

What is the Cardiac Notch?

Answer 23

An indentation in the left lung that allows the heart to fit in the thoracic cavity

Question 24

Function of Bronchi

Answer 24

Two large tubes that branch from the trachea; go into left and right lungs, respectively