Respiratory System Grade 3

during respiration air enters our body through

• Mouth

• Nasal cavities

• Mouth and Nasal cavities

• Ear

B is:

• Esophagus

• Trachea

• Lungs

• Bronchus

D is:

• Bronchus

• Bronchioles

• Trachea

• Nasal cavities

What is the movement of breathing in called:

When we breathe in we are taking

Tags

NGSS.HS-LS1-7

Show using arrows the pathway of air exhaled

How many lungs do we have:

• 1

• 2

• 3

• 4

What is the gas exhaled ?

During inhalation the diaphragm

• Lowers Down

• Raises up

During exhalation the chest

• Raises up and move away from the lungs

• Lowers down and move closer to the lungs