They use them to breathe with, to get oxygen from the air.
yes
Air of course!
Turtles have two lungs, one left, one right.
Loggerhead sea turtles breathe with lungs. Unlike fish that use gills to extract oxygen from water, sea turtles must surface to inhale air through their lungs. They can hold their breath for extended periods while diving, but they need to come up for air regularly.
Yes, but some species can also breathe through their anus.
This is actually a hard question to answer. Because Turtles can actually diffuse oxygen from the water with what is commonly referred to as Bum Gills. They aren't actually gills, but have the similar function.
All turtles have lungs - not gills. They hold their breath when they dive.
lungs
Turtles have lungs - not gills. They breathe just fine in air, on land.
Sea turtles are amphibians, which means they breathe out of their lungs.
through their lungs they don't have gills at all
no they have lungs/gills because they are not whales(mammals) they are amphibians.