Respiratory System

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

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

Tags

NGSS.HS-LS2-3

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

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

When we breath in the diaphragm...

• Contracts

• Relaxes

When we breathe out the diaphragm...

• Contracts

• Relaxes

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose

The beginning point of the respiratory system where air is taken into the body.

• lung
• diaphragm​
• nose​
• trachea​

Another word for the voice box is

• larynx

• diaphragm

• vocal folds

• trachea