Front

Respiratory organ definition

Back

part used for breathing

Front

Function of lungs

Back

in oxygen, remove carbon dioxide

Front

Gills found in

Back

and some amphibians

Front

Insects breathe through

Back

and tracheae

Front

Earthworm respiratory organ

Back

Skin

Front

Lungs vs. gills

Back

for air, gills for water

Front

True/False: Birds have lungs

Back

True

Front

Fill in the blank: Frogs use _______ and skin to breathe.

Back

Lungs

Front

Human respiratory organ

Back

Lungs

Front

Function of gills

Back

oxygen from water