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Fish use gills, but whales and dolphins are mammals. They need to surface to take a breath of air periodically.

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11y ago

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Do whales and dolphin have gills for respiration if no explain the process of respiration?

They have mouths and lungs. They breath oxygen from the air.


Do whales and dolphin have gills for respiration explain briefly?

no they do not have gills they have lungs and they are mammals both these creature have blowholes on the top of their head and they also have mouth


Do dophins have gills?

Dolphins have gills so they can breath when they are under water


Are gills respiration or circulation?

Gills would be respiration


Why whales have lungs not gills?

Whales are mammals !


What do fish have that whales don't?

One thing that fish have that whales do not have are gills. Fish need gills to breathe, but whales have a blowhole because they are mammals.


How many lungs and gills does a killer whales have?

Killer whales are mammals and have two internal lungs. They are not fish, and therefore have no gills.


Do beluga whales have lungs or gills?

All whales have lungs. No whale has gills. The whale Shark has gills, but that name comes from it being a Shark - a fish - the size of a whale.


Which fish has the biggest gills?

whales


Do dolphins and whales breathe with their gills?

They can't. Dolphins and Whales have lungs, not gills. they have to Surface to Breathe. They hold their breath while diving.


What fish doesn't have gills or lungs?

Whales


Explain respiration and gas exchange in starfish?

Respiration in starfish occurs in two locations. The first is through the skin on the ends of its feet. The second is in the gills. The gills are lined with tiny hairs called cilia that filter out unnecessary materials. Oxygen is taken out of the water as the starfish exhales carbon dioxide.