there is no such animal. Question – Like humans, most species in the animal kingdom have a single heart. Two hearts are dedicated to pumping blood to the gills, while the other takes care of the rest of the body. Octopuses are highly intelligent animals, masters of camouflage that have evolved an array of tricks over tens of millions of years to avoid or thwart would-be attackers. I think this is the answer….. Another animal with a ratio larger than most mammals is the dog’s ancestor, the wolf. Some of them have very tough skins, while the others have spines that cause great injuries. Which animal has three hearts? Compare a dog’s heart to its body mass and it’s a .8 percent ratio. Little wonder, considering they are a bit unusual. The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction. An octopus, like its other comrades in the cephalopod world, has three hearts. Prepare chicken hearts the same way (except you don’t have to butcher them). If the invertebrate structure has suckers along its entire length, it's called an arm; if it only has suckers at the tip, it's called a tentacle. Where cephalopods are concerned, marine biologists are careful to distinguish between "arms" and "tentacles." Every 5th level (5, 10, 15) the animal's level indicator on their name-tag will change shape. 10 Octopus. The smallest animal hearts belong to the .006-inch long fairyflies. cuttlefish. Valentine's love hearts are boring! Some members of the animal kingdom deal with circulation in mind-bending ways. Let break it down and see what they do: The Main Heart (The systemic hearts) Just like with the octopi, this heart is in charge of pumping the blood around inside the vessels in order to move oxygen and nutrients. Almost all other animals — including elephants, mice and humans — have a .6 percent ratio. It has four hearts! Levels 0 to 7 have only three hearts, levels 8 - 15 have four hearts, levels 16 - 23 have five hearts, and level 24 or higher will have six hearts. With their body shields, they can also attack prey and even human without any fear as well. 7 B. Why not explore the 6 most fascinating hearts in the animal kingdom? short-eared owl. Cephalopods are characterized by three hearts: the central heart, and two additional gill hearts (bronchial hearts) at the base of their gills. giraffe. BOSTON (AP) — Mythology and superstition have portrayed octopuses as alien beings or evil creatures dwelling in the terrifying dark depths of oceans. How many hearts does an octopus have? Hearts have become iconic symbols of Valentine's Day, but when it comes to hearts in the real world, one size doesn't fit all — particularly in the animal kingdom. Cuttlefish is a Cephalopod. They occur worldwide where soil, water, and temperature allow. The octopus is essentially a mollusk that lacks a shell but has eight arms and three hearts. 2) The Hagfish Has Four Hearts: Another weird animal with multiple hearts is the Hagfish. Options:- A. These animals have special body armors that double protect themselves from their predators. An earthworm is a terrestrial invertebrate that belongs to the order Opisthopora.They exhibit a tube-within-a-tube body plan, are externally segmented with corresponding internal segmentation, and usually have setae on all segments. 2 C. 3 D. 5 Answer:- The correct ANSWER is 3 RELATED:- In terms of area, which one of the following Indian states has the […] But there is an exception. Sizing it down. Earthworms are commonly found in soil, eating a wide variety of organic matter. But not all hearts are created equal.