Respiratory System MCQs

Animals use _____ types of gas-exchange systems

2
4
6
7

_____ occurs through the outer surface of an animal

Integumentary exchange
Tracheal exchange systems
Both of these
None of these

Worms and amphibians employ _____ type of gas-exchange system

Tracheal exchange systems
gills
Integumentary exchange
lungs

_____ are external structures that exchange gases in watery environments

ribs
Lungs
Gills
None of these

_____ rely on a network of tubes that end in holes to move oxygen and carbon dioxide throughout the bodies of certain types of insects

Tracheal exchange systems
gills
Integumentary exchange
lungs

_____ are internal structures that use diffusion to transport gases into and out of the body

lungs
gills
stomach
None of these

_____ is the outer covering of an animal

tendon
integument
ligament
None of these