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As air-breathing reptiles, sea turtles must surface to breathe. They spend most of their time underwater, so must be able to hold their breath for long periods to avoid frequent surfacing. Dive duration largely depends on the activity. A foraging sea turtle may typically spend 5–40 minutes under water [108] while a sleeping sea turtle can ...
All aquatic amniotes (reptiles, birds and mammals) have thick and impermeable cutes that preclude cutaneous respiration, and thus rely solely on the lungs to breathe air. When underwater, the animal is essentially holding its breath and has to routinely return to the surface to breathe in
Turtles have a large lung volume and can move blood through non-pulmonary blood vessels, including some within the heart, to avoid the lungs while they are not breathing. They can hold their breath for much longer periods than other reptiles and they can tolerate the resulting low oxygen levels.
Turtles, like other reptiles, breathe air, not water. They have lungs, not gills like fish, and so even if they live mostly in the water, they need to come up to the surface to breathe now and again.
Sea turtles are air-breathing reptiles that have lungs, so they regularly surface to breathe. Sea turtles spend a majority of their time underwater, so they must be able to hold their breath for long periods. [57] Dive duration largely depends on activity.
All About Sea Turtles. Yes, of course sea turtles breathe air. They are reptiles, not fish. ... the stress and attempts to free themselves make their ability to hold their breath lessen, and they ...
Mild bradycardia is caused by subjects holding their breath without submerging the face in water. [10] [11] When breathing with the face submerged, the diving response increases proportionally to decreasing water temperature. [8] However, the greatest bradycardia effect is induced when the subject is holding their breath with their face wetted ...
In the United States, around 2.3 million households are home to reptiles, including turtles. Here's what the reptile can and cannot eat.