10 Animals With Strangest Hearts

The heart is one of the most important organs in a living creature. It helps to keep blood pumping around the body and allows oxygen to be taken in and waste products to be removed. But some animals have strange and unusual hearts that work in unique ways. Here are 10 animals with some of the strangest hearts in the animal kingdom.

10- Shrimp

10 Animals With Strangest Hearts

Photo Credit: Smithsonian Mag

Shrimps have the distinction of having a particularly unusual heart. This small, segmented invertebrate has what’s known as a single, open circulatory system. Which means its heart pumps oxygen-rich blood in and out of the body without the benefit of any veins or arteries. The blood circulates through its body, and then returns to the heart to be pumped out again. This allows the shrimp to get oxygen to different parts of its body faster than other animals. In addition, the shrimp’s heart is located in its head and is covered by a membrane to protect it from the elements.

9- Whales

Photo Credit: First Post

Whales are some of the most amazing animals on earth, with hearts that are truly unique. The hearts of whales are much larger than those of humans, with an average size of 400-600 pounds. They also have an exceptionally high number of valves, which allow them to pump blood efficiently throughout their bodies. Furthermore, the left and right halves of their hearts are completely separate, rather than the two halves being connected like in humans. This allows them to manage the high pressure of their deep dives.

Additionally, the left side of the whale’s heart pumps oxygenated blood to the brain, while the right side pumps unoxygenated blood to the rest of the body. This is an incredible adaptation, since whales need to hold their breath for long periods of time when they dive. Lastly, a whale’s heart can beat up to 15 times a minute when they are at the surface, and can slow down to as little as two times a minute when they are at depths of up to 10,000 feet. This allows them to conserve energy and oxygen for their dives. Whales truly have some of the strangest and most remarkable hearts of any creature on earth.

8- Giraffe

10 Animals With Strangest Hearts

Giraffes have the strangest hearts of all animals. Their heart is incredibly powerful, pumping blood up their long necks to their brain. The heart of a giraffe is about 2 feet long and weighs an astonishing 24 pounds, more than any other mammal. It beats about 170 times per minute and has an unusually large left ventricle. This extra-large left ventricle helps the giraffe’s heart circulate blood quickly and efficiently to its brain, even when the animal is bending down to drink. What makes the giraffe’s heart even more fascinating is its high tolerance for low oxygen levels. This allows the giraffe to stay upright for long periods of time without becoming dizzy or lightheaded. The giraffe’s heart is a remarkable example of evolution, adapted to meet the animal’s unique needs.

7- Cockroaches

10 Animals With Strangest Hearts

Cockroaches are strange animals with some of the strangest hearts in the animal kingdom. Their hearts are located much closer to their heads than other animals, and they also have a surprising number of chambers, with 13 chambers in total. These chambers allow the cockroach’s blood to be circulated much more efficiently, providing them with greater stamina and agility. They are capable of running faster and longer than many other animals their size. They can even survive without a head for up to a week. This resilience is due to the special chambers of their hearts, which are able to continue pumping blood even without oxygen.

6- Earthworms

In the absence of a heart, earthworms have five pseudohearts that wrap around their esophagus and help circulate their blood throughout the body. Their moist skin allows them to absorb oxygen from air trapped in the soil or aboveground after rain. This oxygen is then drawn into the cells and blood system, where it is pumped around the body by the red blood containing hemoglobin, a protein that carries oxygen. This circulation process is facilitated by an open circulatory system.

5- Octopus

10 Animals With Strangest Hearts

Octopuses have the strangest of hearts! Unlike other animals, octopuses have three hearts that pump blue, copper-rich blood throughout their bodies. The main heart pumps blood throughout the body, while the other two pump blood through the gills. The blood is copper-rich due to the presence of copper-based proteins that help carry oxygen. The hearts have a complex network of valves and vessels, which allow them to pump more oxygen-rich blood to their vital organs. They also have an incredible ability to adapt to different environments and regulate their blood pressure, making them one of the most versatile creatures in the ocean. With their highly adapted hearts, octopuses can live in depths up to 2,000 meters and explore the darkest depths of the ocean.

4- Squids

Squids have some of the strangest hearts in the animal kingdom. These cephalopods possess a three-chambered heart that pumps blood to all parts of the body. The heart is located in the head and is divided into three parts: the systemic, branchial, and pulmonary hearts. The systemic heart pumps blood to the gills and the branchial heart pumps oxygenated blood to the organs, while the pulmonary heart pumps deoxygenated blood to the rest of the body. The blood is then circulated through the entire body, providing oxygen and nutrients to the cells and organs. This complex circulatory system allows squids to be active predators and enables them to move quickly through the water.

3- Frogs

10 Animals With Strangest Hearts

Photo Credit: PBS

Frogs have some of the strangest hearts in the animal kingdom. While humans have a four-chambered heart with one atrium and one ventricle on either side, frogs have three chambers: two atria and one ventricle. This means their oxygen-depleted blood is not completely separated from the oxygen-rich blood, creating a less efficient circulation system. This is why frogs need to take frequent breaks while hopping around, as their hearts need to work extra hard to pump blood around their bodies. Interestingly, frog hearts can also stop beating while they are still alive. This is called “cardiac arrest,” and it helps frogs conserve energy during extreme conditions, such as drought or cold temperatures. When conditions improve, their hearts will start beating again.

2- Pygmy Shrew

Photo Credit: The Guardian

The Pygmy Shrew has one of the most peculiar hearts of any animal on the planet. This tiny mammal has an unusually large heart relative to its body size, which is approximately the size of a human thumb. Its heart is also unusual in its shape, being more elongated than the round heart of most mammals. This gives the Pygmy Shrew a much higher metabolism, allowing it to remain active for long periods of time. Furthermore, its heart beats at an incredibly fast rate — up to 1,200 beats per minute — helping it to maintain its energy levels and stay alert for any predators. This strange heart is essential for the Pygmy Shrew to survive in the wild, and it’s certainly an impressive feat of nature.

1- Icefish

10 Animals With Strangest Hearts

Photo Credit: Atlasobscura

Icefish are some of the strangest animals on Earth. They possess a unique feature among fish: a completely transparent and colorless blood. This is due to the fish’s lack of hemoglobin, the oxygen-carrying molecule found in red blood cells. The icefish’s adaptation allows it to live in extremely cold Antarctic waters, where other fish would struggle to survive. The icefish has an incredibly efficient circulatory system that helps keep its body well-oxygenated despite its lack of hemoglobin. This unique adaptation makes the icefish one of the most resilient creatures on the planet.

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