Science grade 6 respiratory system

What is the main organ of respiratory system

What is the waste gas that the body must get rid of

• Carbon dioxide

• Carbon monoxide

• Carbonic acid

• Carbon fiber

What happens when we breath in

• The lungs get smaller

• The lungs get bigger

• The lung shrinks

• The lungs expand

Is it fine to have a low rate

• Yes, it is fine

• No, body systems will not work well because there are no enough oxygen delivered to the organs

Oxygen

• Is colorfull

• Is colorless

• Is inhaled during breathing

• Is exhale during breathing

Carbon dioxide is a _____gas

Windpipe carries air from the nose and mouth to the ___

How can we blow a ballon

Answer explanation

Air leave our body when we breath at, the air fills the balloon, and the balloonblows up

Lungs are two organs like stretching sponges that is filled up with air which you breathe

• True

• False

• Hindi

• Pakistan

What is respiratory system

• It is responsible for taking oxygen and giving out carbon dioxide

• For taking oxygen

• For giving carbon dioxide