What are the main organs of gas exchange in the respiratory system?

• diapragm
• lungs
• trachea
• bronchi

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

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

Tags

NGSS.HS-LS1-7

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

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

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.HS-LS2-5

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

Flap of skin that covers the opening to the windpipe during swallowing

• Stomach
• Trachea
• Pancreas
• Epiglottis

Relaxation of the diaphragm and the intercostal muscles causes

• inspiration

• expiration

• respiration

• ventilation