7th Grade Respiratory System

Front

Main function of the respiratory system

Back

Provide oxygen & remove carbon dioxide

Front

Lungs: taking in air

Back

Diaphragm: contracting

Front

Lungs: letting out; Diaphragm: relaxing

Back

Correct answer to exhale question

Front

Main organs of gas exchange

Back

Lungs

Front

Breathing process: Inhale ___, Exhale ___

Back

Oxygen, Carbon Dioxide

Front

Air sacs for gas exchange

Back

Alveoli

Front

Gas exchange site in lungs

Back

Alveoli

Front

Tube known as windpipe

Back

Trachea

Front

Flap covering windpipe during swallowing

Back

Epiglottis

Front

Waste product of respiration

Back

Carbon dioxide