Animal Respiratory Systems

How does the species of salamander mentioned get oxygen?

• Through its skin and, in some cases, lungs or gills.

• Using specialized gills located on its back

• By absorbing carbon dioxide from the air

• Through photosynthesis in water

What is unique about a lungfish's respiratory system?

• Lungfish only breathe through gills.

• Lungfish have a completely aquatic lifestyle and do not need lungs.

• Lungfish can only survive in freshwater environments.

• Lungfish can breathe both through gills and lungs.

What is the difference in percentage gas exchange in the lungs between a dolphin and a human?

• 75-80%

• 45-50%

• 30-35%

• 60-65%

Tags

NGSS.MS-LS4-2

What does the term ‘obligate nasal breather’ mean?

• An organism that must breathe through its nose.

• An animal that primarily breathes through its skin.

• A creature that only breathes underwater.

• An organism that can breathe through both mouth and nose.

What structure is responsible for exchanging gases in the mammal?

• Heart

• Liver

• Lungs

• Trachea

What animals breathe with their lungs?

• Mammals and birds

• Mammals, birds, reptiles and adult amphibians

How much air does an elephant breathe out per second?

• 2.0 liters

• 3.33 liters

• 1.5 liters

• 5.0 liters

Carbon dioxide removed through the ________________.

• skin

• lungs

• kidneys

The lungs and passageways make up the __________ system.

• excretory

• skeletal

• respiratory

• circulatory

What is the primary function of the respiratory system in animals?

• To transport nutrients

• To exchange gases

• To digest food

• To circulate blood