Respiratory System

When we breathe, we take in ....

• nitrogen

• carbon dioxide

• oxygen

• hydrogen

The respiratory organ in the picture is called ....

• lung

• trachea

• bronchioles

• bronchi

The organs in letter a and b are ....

• pharynx, trachea

• pharynx, larynx

• trachea, bronchi

• larynx, trachea

The diaphragm is in letter ....

• a

• b

• c

• d

• e

Tags

NGSS.MS-LS1-3

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

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

• bronchi

• windpipe

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 ................... carbon dioxide leaves our body.

• breathe in

• breathe out