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Are sharks amphibians mammals or reptiles?
Sharks are not amphibians, mammals, or reptiles. They are a type of fish known as cartilaginous fish, as their skeletons are made of cartilage instead of bone.
How long so sharks hold their breath for?
Sharks can typically hold their breath for about 15 minutes to an hour, depending on the species and activity level. Their ability to hold their breath is due to their efficient respiratory system and the presence of special adaptations like high levels of oxygen-storing myoglobin in their muscles.
How do sharks and dolphins breathe under water?
Sharks are fish, and breathe with gills. Dolphins are mammals, breathe with lungs, and can't breathe underwater. They breath at the surface, then hold their breath - which they're really good at - while diving.
Can white sharks only breathe underwater?
Yes, white sharks have gills that allow them to extract oxygen from water, which is how they breathe underwater. They need to constantly swim to ensure a flow of water over their gills for oxygen exchange.
Do sharks have an operculum?
No, sharks do not have an operculum. Opercula are bony plates that cover the gills of bony fish to help with breathing, but sharks breathe through gill slits located on the sides of their bodies.
How does sharks get there air?
they have gills, they can breathe underwater for up to 4 months at a time without coming up for air.
Why do great white sharks have to live in the ocean?
Because they are fish. They cannot walk or breathe air.
Differences between sharks and dolphins?
Dolphins breathe with lungs while sharks breathe with gills.
Can sharks breathe when not swimming?
Some sharks, but not all.
Does a great white shark have to surface to breathe?
Great Whites - like all Sharks - use gills to filter oxygen from the water. They can't breathe air.
What some differences between dolphins and sharks?
There are many differences between the shark and the dolphin. Sharks are cartilaginous fish whereas the dolphin is a mammal. Sharks take air in through their gills while dolphins breathe fresh air using their lungs.
How can sharks and dolphins breathe under water?
Sharks breathe with gills, just like any other fish. Dolphins are mammals, they breathe with lungs. They can't breathe under water. But they're really good at holding their breath, so they only need to surface every few minutes for a new breath.
Are sharks different than whales?
YES! Sharks are fish and whales are mammals: they breathe air with lungs and nurse their young. Also Sharks only have bone in their jaw bone. The support for the rest of their body is cartilage.
Are sharks amphibians mammals or reptiles?
Sharks are not amphibians, mammals, or reptiles. They are a type of fish known as cartilaginous fish, as their skeletons are made of cartilage instead of bone.
Do sharks attack people on land?
sharks do not attack people on land. a shark is a water animal so if a shark took the time to atack someone on land, thehy shark would die. sharks do not breathe air.
What enables sharks to breathe?
Gills
What animals breath through gills?
Most fish do... unlike the betta fish they can breathe water and air. Dolphins and whales are an example of ones that breathe only air. Sharks, gold fish and other fish have to breathe water.
