Respiratory System

What are the tiny air sacs at the end of the Bronchioles, that transfer oxygen into the blood stream?

• Trachea
• Bronchi
• Alveoli
• Larynx

Tags

NGSS.MS-LS1-3

Tube that carries oxygen from the mouth to the Bronchi. (#5)

• Bronchioles
• Alveoli
• Esophagus
• Trachea

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

It is a long tube. The air goes down this tube.

• bronchi

• windpipe

When we breathe in...................enters our lungs and passes into the blood.

• oxygen

• carbon dioxide

The windpipe is also called

• trachea

• alveoli

When we breathe out , ................. leaves our body.

• oxygen

• carbon dioxide

They are two sacks protected by the ribs.

• alveoli

• lungs

Tags

NGSS.MS-LS1-3

When we ........................ oxygen goes down the windpipe

• breathe out

• breathe in

Tags

NGSS.MS-LS2-3

When we ................... carbon dioxide leaves our body.

• breathe in

• breathe out