Quick Answer: What Animal Has 3 Hearts?

Which animal has no brain and heart?

JellyfishJellyfish don’t have brains They don’t have a heart, lungs or a brain either.

So how does a jellyfish live without these vital organs.

Their skin is so thin that they can absorb oxygen right through it, so they don’t need lungs..

What animal has 800 stomachs?

Fish are not the only creatures that can lack stomachs. All of the monotremes, or egg-laying mammals such as the platypus and echidna, also lost their stomachs during the course of evolution. The first half-billion years of Earth science were gnarly.

Which animal blood is black?

The ocellated icefish, for instance, may brush fins with the Antarctic octopus in the same chilly habitat, but its blood is quite different. It runs completely clear. The polar dweller lacks both hemoglobin and hemocyanin, leaving its blood without any color at all.

Do cows have 2 Hearts?

The two hearts push the blood through the gills where it mixes with oxygen. From the gills, the blood flows into the systematic heart where it pumped to other body parts. The systematic heart is subdivided into three chambers; two upper auricles and a lower ventricle. 3.

What animal has green blood?

Credit: Photo by Chris Austin, LSU. Green blood is one of the most unusual characteristics in the animal kingdom, but it’s the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard.

Do any animals not have a heart?

There are also numerous animals with no hearts at all, including starfish, sea cucumbers and coral. Jellyfish can grow quite large, but they also don’t have hearts. Or brains. Or central nervous systems.

Which animal has teeth in its stomach?

Lobsters and crabs have teeth— in their stomachs. These are used to crush its food, but they also have a strange secondary function in ghost crabs: making a noise that wards off predators. Believe it or not, lobsters, as well as other crustaceans such as crabs and crayfish, have teeth in their stomach!

How do giraffes die?

In the flat, open, dry savanna plains of sub-Saharan Africa, roaming giraffes routinely get struck by lightning and die. … When it enters the neck, around thirty thousand amps of energy surges through the body, singeing fur and causing the heart to beat itself to death.

What animal has 32 brains?

leechesThe leeches that I have driven several hundred miles to encounter are freshwater, bloodsucking, multi-segmented annelid worms with 10 stomachs, 32 brains, nine pairs of testicles, and several hundred teeth that leave a distinctive bite mark.

Do giraffes have 2 brains?

The three brains of the adult male giraffes weighted respectively 722.7, 766.1 and 770.4 g, with a mean of 753.1 ± 15.23 g (Table 1).

What animal has 8 hearts?

Explanation: Currently, there is no animal with that amount of hearts. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it’s head. Now, the maximum number of hearts is 3 and they belong to the Octopus.

Do giraffes have 3 hearts?

Three hearts, to be exact. There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart.

What animal has no brain?

CassiopeaCassiopea has no brain to speak of—just a diffuse “net” of nerve cells distributed across their small, squishy bodies. These jellyfish barely even behave like animals. Instead of mouths, they suck in food through pores in their tentacles.

What animal has 7 hearts?

Hagfish. Who knew such a nasty creature could have so many hearts? The hagfish has four of them, one main three-chambered systematic heart and three accessory pumps.

What animal has 3000 teeth?

Great White SharksThe Great White Shark is the largest predatory fish on earth, and it wields a lot of impressive teeth. Great White Sharks have around 3,000 teeth in their mouth at one time in multiple rows on their jaws. If a tooth is lost, another one simply slides forward to replace it, and they grow a new one.

What animal has no blood?

Flatworms, nematodes, and cnidarians (jellyfish, sea anemones, and corals) do not have a circulatory system and thus do not have blood. Their body cavity has no lining or fluid within it. They obtain nutrients and oxygen directly from the water that they live in.

What animal has the most brains?

sperm whaleThe sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms).

What animal has five hearts?

earthwormsDepending on how you define your terms, earthworms either have five hearts, or no heart at all. While they lack the chambered, muscular organ that normally comes to mind, they do have five special blood vessels, called aortic arches, that contract in order to pump blood through the worm’s body.