The picture shows human _____

• Exhale

• Inhale

The picture shows human _____

• Inhale

• Exhale

Which process best describes breathing?

• A. removing wastes from the blood stream

• B. breaking down food into smaller nutrients

• C. bringing oxygen in and releasing carbon dioxide

• D. eliminating germs from the blood

Name the organs involved during breathing

• Nose, Heart and lungs

• Nose , Trachea and Lungs

• Lungs and Kidney

Inhaled air contains _______ compared to exhaled air.

• more oxygen

• more carbon dioxide

• more water vapour

How do your chest move during inhalation?

• goes up and inflate

• goes down and contract

• no movement

How do your chest move during exhalation?

• goes up and inflate

• goes down and contract

• no movement

What is meant by rate of breathing

• The number of chest movement in one minute.

• The number of leg movement in one minute.

• The number of lung movement in one hour.

• The number of eyes movement in one day.

The rate of breathing depends on the type of activity that is carried out.

• True

• False

Which activity is high rate of breathing?

• 
• 
•