Respiratory System

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

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

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

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.MS-LS1-3

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

The drawing in of breath; inhalation.

• Inspiration

• Expiration

Breathing out; exhalation of breath.

• Inspiration

• Expiration

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Which lung has 2 lobes?

• Right

• Left

Olfactory receptors are located in the mucosa of the nose. What are these receptors used for?

• sight

• smell

• touch

• taste