Respiratory Structures

Question 0

The muscular tube extending from the nasal cavity to the esophagus and larynx also called throat

Answer 0

Pharynx

Question 1

Space within an posterior to external nose

Answer 1

Nasal cavity

Question 2

The external openings leading into the nasal cavities

Answer 2

External nares

Question 3

Part of the respiratory passageway located between the trachea and pharynx
, keeps airway open, prevents food from entering and producing sound.

Answer 3

Larynx

Question 4

One of the two large respiratory tubes that branch from the trachea and enter a lung

Answer 4

Right/left primary bronchus

Question 5

One of the paired respiratory system organs in which gas exchange occurs

Answer 5

Right/left lung

Question 6

What are the serous membranes that surround each lung called?

Answer 6

Pleurae

Question 7

Serous membrane which covers the external surface of each lung

Answer 7

Visceral pleura

Question 8

Serous membrane which lines the thoracic wall and the mediastinum and covers the superior surface of the diaphragm

Answer 8

Parietal pleura

Question 9

Region of the thoracic cavity between the lung

Answer 9

Mediastinum

Question 10

The slit like space between the visceral and parietal pleurae

Answer 10

Pleural cavity

Question 11

Serous lubricating fluid within the pleural cavity, secreted by the pleurae

Answer 11

Pleural fluid

Question 12

What are the branching airways of a lung called?

Answer 12

Bronchial tree

Question 13

One of the two large respiratory tubes that branches from the trachea and enters a lung

Answer 13

Primary bronchus

Question 14

A respiratory tube that branches from a main bronchus and leads into one lung lobe

Answer 14

Secondary bronchus

Question 15

A respiratory tube that branches from a secondary bronchus and leads into one bronchi pulmonary segment of the lung

Answer 15

Tertiary bronchus

Question 16

Very small air passage without supporting cartilage

Answer 16

Bronchioles

Question 17

The smallest final type of bronchioles in the conducting zone

Answer 17

Terminal bronchiole

Question 18

The lung region containing alveoli where gas exchange occurs

Answer 18

Respiratory zone

Question 19

Thin- walled air filled sacs in which gas exchange occurs

Answer 19

Alveoli

Question 20

Clusters of alveoli that poem into a common space

Answer 20

Alveolar sac

Question 21

What vessels carry blood that is low in oxygen from the heart to the lungs?

Answer 21

Pulmonary arteries

Question 22

What blood vessels completely surround each alveolus

Answer 22

Capillaries

Question 23

What gases are exchanged between the Air in the alveoli and the blood in the pulmonary capillaries

Answer 23

Oxygen and co2

Question 24

What vessels transport oxygenated blood back to the heart?

Answer 24

Pulmonary veins

Question 25

What is the strong attraction between water molecules at the surface of alveolar fluid called?

Answer 25

Surface tension

Question 26

What does surfactant do to the surface tension of alveolar fluid?

Answer 26

Lowers it

Question 27

What would an alveolus do if it were lined with pure water

Answer 27

Collapse

Question 28

What makes up the respiratory membrane?

Answer 28

Alveolar wall and capillary wall

Question 29

What do oxygen and carbon dioxide do across the respiratory membrane?

Answer 29

Diffuse