Respiratory structures

Question 1

Trachea

Answer 1

> Hollow tube surrounded by incomplete ring of cartilage that keeps the airways open, allows swallowing, and prevents collapsing

> Provides pathway of air to the bronchi

Question 2

Nasal cavity

Answer 2

> Warms, moistens, and filters air
Allows inhalation

Question 3

Epiglottis

Answer 3

> Small sheet of elastic cartilage that sits at the back of the throat

> Prevents food and drink from entering the trachea

Question 4

Larynx

Answer 4

> Houses vocal cords
Manipulates pitch and volume of sound

Question 5

Pharynx

Answer 5

> Receives air from the nasal cavity
Receives food for the oral cavity

Question 6

Bronchus

Answer 6

> Passageway for air into the lungs

Question 7

Bronchioles

Answer 7

> Passageway for air to the alveoli

Question 8

Alveoli

Answer 8

> Elastic, moist, permeable, single-layered cells, surrounded by capillaries
Adapted for gaseous exchange

Question 9

Pulmonary Capillaries

Answer 9

> Surround alveoli, allow for gaseous exchange

Question 10

Diaphragm and Intercostal muscles

Answer 10

> Primary respiratory muscles

Question 11

Nasal cavity, pharynx, larynx, trachea, and bronchi

Answer 11

> All have ciliated linings and mucus glands
To clean and filter air