Unit 2.1 Review: Digestive, Circulatory, Respiratory Systems

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.MS-LS1-3

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

• bronchi
• alveoli
• capillaries
• bronchioles

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

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

• trachea

• bronchi

• alveoli

• diaphragm

Name the organ labeled #8

• alveoli 
• bronchi 
• trachea 
• lungs 

Name the structure labeled #6

• lungs 
• trachea 
• diaphragm 
• alveoli 

What are the most five important organs part of the respiratory system? 

• The nose,throat,lungs, and sub system 
• The nose,throat ,windpipe,voice box, lungs 
• Nose , Trachea
• Nose, Trachea, windpipe,oesphogus,lungs 

What is the name of the muscle below the lungs that helps with breathing?

• trachea
• alveoli
• diaphragm
• bronchi

The beginning of the respiratory system that warms and moistens the air.

• trachea
• nose
• bronchi
• diaphragm