Parts Of Respiratory System

Question 1

Pharynx

Answer 1

Aka- throat

Air passes through here

Question 2

Larynx

Answer 2

Aka- voice box

Air passes through here

Question 3

Trachea

Answer 3

Carries air to and from lungs
Lined with mucous layer and cells with cilia
Rings of cartilage to hold shape

Question 4

Ribs

Answer 4

Forms framework of chest

Protects heart

Question 5

Intercostal muscles

Answer 5

Moves ribs upwards and outward during inspiration to increase long volume
Contract and relax during ventilation

Question 6

Epiglottis

Answer 6

Flap of tissue which closes of trachea when swallowing so no food or liquid enters lungs

Question 7

Bronchi

Answer 7

Branch from trachea guiding air into each lung

Question 8

Bronchioles

Answer 8

Very fine tubules on the end of the bronchi
Smooth muscle walls
End with alveoli

Question 9

Alveoli

Answer 9

Tiny air sacs lined with capillaries for the exchange of gas between air and blood
Make up most of lung

Question 10

Lungs

Answer 10

Occupy chest cavity
Made of elastic- like muscle to increase/ decrease lung volume during ventilation
Covered by pleural membrane
Pleural fluid fills pleural membranes

Question 11

Diaphragm

Answer 11

Muscle separating abdomen and chest cavity
Contacts and flattens during inhalation to increase lung volume and allow air to flow into lungs
Relaxes and arches into chest cavity during exhalation decreasing lung volume and causing air to floe out of lungs

Question 12

Nasal cavity

Answer 12

Filters, moistens, and warms air for lungs

Air enters through here