Revision 2 - Respiratory System

Which body system is responsible for breathing?

• respiratory system

• circulatory system

______ is the organ in which the voice is produced

When we breathe we:

• take in oxygen and release oxygen

• Take in carbon dioxide and release oxygen

• Take in carbon dioxide and release carbon dioxide

• Take in oxygen and release carbon dioxide

Which body part traps the dust and germs in the air?

• eyes

• nose

• lungs

• heart

What comes next in the journey of air into our lungs: Nose -> larynx -> _______

• lungs

• trachea

• diaphragm

How does the diaphragm move when we breathe in?

• It contracts

• It relaxes

Which has more carbon dioxide?

• air inhaled

• air exhaled

Air p________ is harmful to the respiratory system.