Respiratory System

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

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

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

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

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.HS-LS2-3

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 

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

• Sinus

• Nose

• Pharynx

• Larynx

The process of exchanging oxygen and carbon dioxide in the lungs.

• inspiration

• expiration

• internal respiration

• external respiration

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose

A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.

• asthma 
• cold
• influenza 
• bronchitis 

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

• bronchi
• alveoli
• capillaries
• bronchioles

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli