6.4 IB Gas Exchange

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

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

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-7

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.HS-LS2-5

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

The fatty substance that lines the inner surface of the alveoli and prevents alveoli from collapsing.

• pleural fluid

• ciliated mucus

• surfactant

• mucus

When the diaphragm relaxes this creates

• a decrease in chest volume

• an increase in chest volume

• an increase in lung capacity

• no change in air volume

Given the following structures:

1. larynx

2. nasal cavity

3. pharynx

4. trachea

Which of the following is the correct order that air would flow during inhalation.

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,2,3,1