Specialized Digestive Systems Flashcards
page 67-68
What is the role of the kidney in mammals?
To filter blood, remove waste, and regulate water balance.
How do the lungs adapt for efficient gas exchange?
They have alveoli, which provide a large surface area and thin walls for rapid diffusion of gases.
What is the function of the liver in metabolism?
It processes nutrients, detoxifies substances, and stores glycogen.
How do gills in fish function?
They extract oxygen from water and expel carbon dioxide.
Why do birds have a double respiratory cycle?
To ensure a constant flow of air through their lungs for efficient oxygen exchange during flight.
What is the function of the cloaca in birds?
To expel digestive, urinary, and reproductive waste.
How does the integumentary system of reptiles differ from mammals?
Reptiles have scales made of keratin, which reduce water loss.
