The Lungs and Gas Exchange

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

What is the function of the bronchi?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood

The two main branches from the trachea (one to each lung)

• bronchi
• alveoli
• capillaries
• bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.MS-LS1-3

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

Name the structure labelled #6

• alveoli

• bronchi

• trachea

• lungs

Name the structure labelled #8

• lungs

• trachea

• diaphragm

• alveoli

Given the following structures:

1. alveoli

2. bronchi

3. bronchioles

Which of the following is the correct order in which air would flow after inhalation?

• 1,2,3

• 2,1,3

• 2,3,1

• 3,2,1

What feature of alveoli adapts them to efficient gas exchange?

• They have muscles which pump air in and out regularly

• Their membranes are more permeable to gases than water

• A constant blood supply flows through them

• A dense network of capillaries surrounds them