20 Questions
What are the two major mechanisms of respiratory gas transport?
Diffusion and convection
What is convective gas transport also known as?
Transport by bulk flow
What are the two principal processes by which animals set fluids in motion to transport gases?
Breathing and the pumping of blood
What type of flow occurs in the lungs of mammals?
Tidal flow
What are the two types of fluid flow mentioned in the text that affect gas transport?
Unidirectional flow through a tube and tidal flow
What is the mechanism called when a fish holds its mouth open and swims powerfully forward to ram water into its buccal cavity and across its gills?
Ram ventilation
What is the process by which O2 is transported to the gas-exchange membrane from the environmental medium?
External respiration
How does oxygen cross the gas-exchange membrane into an animal?
Oxygen crosses by diffusion
What are the two types of ventilation mentioned in the text?
Active and Passive ventilation
How is water flow across the gills of teleost (bony) fish maintained?
Water flow is maintained by the synchronization of buccal pressure pump and opercular suction pump
What is the term for the process of gas molecules being carried from place to place by fluid flow?
Convection
What are the two respiratory gases referred to in the text?
O2 and CO2
What are the two principal processes by which animals set fluids in motion to transport gases, and what do they speed the transport of?
Breathing and the pumping of blood; O2 and CO2
What is the term for the type of flow that occurs in the lungs of mammals?
Tidal flow
What are the two major mechanisms of respiratory gas transport mentioned in the text?
Diffusion and convection
What is the process by which oxygen crosses the gas-exchange membrane into an animal?
Diffusion
What is the term for the mechanism in which a fish holds its mouth open and swims powerfully forward to ram water into its buccal cavity and across its gills?
Ram ventilation
What is the specific classification for fishes that depend solely on ram ventilation to breathe?
Obligate ram ventilators
What is the thin layer of tissue that separates the internal tissues of the animal from the environmental medium (air or water)?
Gas-exchange membrane
How is water flow across the gills of teleost (bony) fish maintained?
By the synchronization of two pumps: buccal pressure pump and opercular suction pump
Test your knowledge about the mechanisms of respiratory gas transport including passive transport, diffusion, and convection. Learn about the conditions required for O2 to move from environmental water to the cells of an animal.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
