Respiration & Gas Exchange
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
Two steps in gas exchange
- Passage of 02/C02 through a respiratory membrane
- Transport of 02/C02 between circulatory system & the cells of the body
integument serves as respiratory membrane
What types of animals use cutaneous respiration?
3 animals that rely exclusively on cutaneous respiration
How much more oxygen does air have than water?
How much faster do gas molecules diffuse in air than in water?
Allow for gas exchange in water
increase the amount of water that goes through them to get more oxygen
What type of ventilation do fish with internal gills use?
What type of fishes use ram ventilation?
Active fish (sharks)
Fish that don't use ram ventilation must ventilate gills by doing what?
Process of Ram Ventilation
- Fish keep their mouths open while swimming
- Forward motion forces water in & through the buccal over the gills
What terrestrial animals have gills?
- Pill Bugs
- Land Crabs
- Animals in moist environments
In what animals is the tracheal system found? (3)
Insects, spiders, centipedes
What is the tracheal system?
Extensive network of hallow thin walled tubes (trachea) that branch into every part of the body
Branch into a fine network over the cells
Where does the tracheal system deliver oxygen?
Directly to the cells
What kind of lungs do vertebrates have?
Air is moved in & out by pumping
What would you like to do?
Home > Flashcards > Print Preview