Respiratory System

Question 1

What pair of organs are required for breathing?

Answer 1

Lungs

Question 2

What structure brings air from the nose/mouth towards the lungs?

Answer 2

Trachea

Question 3

Which structure in the throat contains the voice box?

Answer 3

Larynx

Question 4

Which structure splits to bring air towards both lungs?

Answer 4

Bronchi

Question 5

What name is given to the small branch-like structures that carry air within the lungs?

Answer 5

Bronchioles

Question 6

In which structure does gas exchange take place?

Answer 6

Alveoli

Question 7

The dome shaped muscle that expands the chest cavity

Answer 7

Diaphragm

Question 8

The muscles that expand the ribcage

Answer 8

Intercostal

Question 9

Which gas moves from the alveoli to the bloodstream?

Answer 9

Oxygen (O2)

Question 10

Which gas moves from the bloodstream to the alveoli?

Answer 10

Carbon Dioxide (CO2)

Question 11

What happens to the muscles during inhalation?

Answer 11

Contract

Question 12

What happens to the muscles during exhalation?

Answer 12

Relax

Question 13

Which structure help keep debris and pathogens away from the lungs?

Answer 13

Cilia

Question 14

What are the 4 adaptations of the alveoli?

Answer 14

Good Blood Supply, Large Surface Area, Moist, Thin Walls

Question 15

How do gases move during gas exchange?

Answer 15

Diffusion