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Mammals, reptiles, amphibians, fish, and birds have a pancreas. Insects and arachnids have no pancreas.

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11y ago
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10y ago

Horses, Dolphins, and Rats are vertebrate species that do not possess gallbladders.

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13y ago

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Q: What animals do not have a gallbladder?
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Related questions

Why is gallbladder absent in some animals?

A rat doesn't have a gallbladder! ^ wrong answer...


Which animal have gallbladder in leg?

I don't think any animals have their gallbladder positioned in their leg.


Which mammal does not have gallbladder?

There are some animals that have evolved to not have a gallbladder - the horse is probably the most commonly encountered of these animals. The horse doesn't need a gallbladder - the function of the gallbladder is to store up bile between meals for digestion after the consumption of a meal. As horses have evolved to graze and eat almost constantly throughout the day, they don't have "meals" for the gallbladder to store up bile between and they evolved to not havea gallbladder.


Is there an artificial gallbladder?

There is no artificial gallbladder that can act as a replacement for the human gallbladder.


What spot is your gallbladder in?

were is your gallbladder in your body


What is attached to the gallbladder?

The gallbladder is attached to the bile duct by a small tube called the cystic duct


What can cause pain in the gallbladder?

Gallstones cause pain and blockage in the gallbladder. More rarely, a person can get cancer of the gallbladder, but this is very rare.


What is your gallbladder part of?

The gallbladder is part of the digestive system.


What is the correct abbreviation for gallbladder?

The abbreviation for gallbladder is GB


What is the size of a gallbladder do you have a picture of the gallbladder?

it is 4x10 cm


What type of surgery is associated with the gallbladder?

Generally the surgeon will remove your gallbladder. Your gallbladder is usually functionless from the gallstones and you are used to the same. So you will get no problem to adjust with the absence of gallbladder.


Do have gallbladder in pigeon?

Pigeons do not have gallbladders. Usually only meat-eating animals will have gallbladders. Pigeons do have many other specialized organs, however.