Respiratory System

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

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

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

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

• bronchi
• lungs
• oxygen
• alveoli

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

The left lung has three lobes and the right lung has two. 

• True
• False

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

• bronchi
• alveoli
• capillaries
• bronchioles

What does the Larynx hold ?

• The larynx holds the whole sub system 
• The larynx is part of the plant cells. 
• The larynx holds the vocal chords. 
• The larynx is part of animal tissues. 

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

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

• Pharynx

• Trachea

• Epiglottis

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