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How does blood circulate through a frog?

The circulation of blood through a frog is dictated by the three-chamber process of a frog's heart. A frog's heart consists of two atriums that carry either oxygenated or deoxygenated blood, and a single large ventricle that mixes the two types of blood. Deoxygenated blood enters the left atrium of a frog's heart, where most of it is transported to both the lungs and the skin. Frogs are able to oxygenate blood at both of these locations, because they are able to partially breath through their skin. Once the blood has been oxygenated, it is sent back to the right atrium of the he..

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What are some facts about bottlenose dolphins?

The bottlenose dolphin can grow to be as large as 2.8 meters in length. They're fast swimmers and can generally swim at speeds of 5 to 12 kilometers per hour, with a top speed of about 32 kilometers per hour. They surface about two to three times each minute in order to breathe, but can stay underwater much longer if they need to. Bottlenose dolphins eat fish, shrimp and squid, and they sometimes follow fishing boats in hopes of retrieving leftovers. They used to be hunted for meat and oil, but dolphin fishing is much more limited now than it used to be. Bottlenose dolphins can get trappe..

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What is a cat whistle?

Cats have delicate ears and high-pitched sounds can cause irritation. The noise of a cat whistle resembles noises made by animals such as birds, rodents and other small creatures, so the cat will come to the whistle thinking it's prey. Cats have ultrasonic hearing, giving them the ability to hear sounds from 45 to 60,000 hertz. Cat owners should be aware of this and eliminate noises they notice are bothersome to their pets.

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What is an English parakeet?

In comparison to the American budgie, the English version is larger with fuller feathers around the neck. American budgies are also more common at pet stores, while English budgies are often seen at exhibitions and shows. Known for their ability to learn to speak hundreds of words, captive birds are easily tamed, which is a characteristic that makes them a favorite among pet enthusiasts.

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What are some fun facts about cats for kids?

Cats are carnivores by nature, meaning that they eat meat. A cat's body is adapted to sense, stalk and catch its prey. Physical adaptations include excellent night vision, keen hearing and a good sense of smell. The cat's flexible body enables it to weave its way through brush and other forms of cover to hide itself from prey.\nDespite their carnivorous character, cats are remarkably prudish about cleanliness, and they frequently lick their coats for hygienic purposes.

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What is the life cycle of a tapeworm?

Tapeworms are long, flat worms made of multiple segments, each of which contains both male and female sex organs. They usually live in a vertebrate's digestive tract, growing new segments from the head down over time. As each segment ages, it becomes laden with fertilized eggs and is eventually shed to be eliminated with feces.\nTapeworms are simple animals and are totally reliant on their hosts for survival. They have no digestive tract and instead absorb nutrients through their outer coating, which is textured for greater surface area. Nutrients are then distributed through their tissue..

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Is it normal for cats to lose their whiskers?

Whiskers are touch receptors anchored within a cat's body, well below the shorter top coat. The long, stiff hairs transmit sensory information to the muscles and the nervous system, helping the cat detect and respond to surrounding stimuli. The whiskers are located on either side of the cat's nose and above the eyes, but whiskers are also present on the jaw and on the back of the front legs.

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Does a snake have a heart?

A snake has a three-chambered heart consisting of two atria and one ventricle, and its heart is protected by a sac called a pericardium. A snake's heart is in close proximity to the place where food passes through its body, but because snakes have no diaphragms, the heart can move aside to accommodate large portions of food going through the esophagus. The Burmese python has a heart that expands to pump more blood through its body and prevent complications after feasting on large meals.

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What dog breeds have ugly puppies?

Adult Chinese crested dogs have won awards for their ugly looks. The puppies from this dog breed look thin and are hairless. Dogs belonging to the puli breed look like they are covered with dreadlocks. Their puppies have fur covering up their facial features. Xoloitzcuintli puppies, also known as Mexican hairless dogs, are grey or ebony in color and are devoid of fur.\nAs full grown adults, Bergamasco dogs have a shaggy appearance. Their puppies look like miniature versions of their parents. The distinguishing feature of Portuguese water dogs is the thick, dark, curly fur that covers their ent..

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How many times can a lion mate in one day?

At times, lionesses may sneak out of their pride in order to mate with lions that may be outside of their pride. The new male will believe that he is the leader of the new pride and will fight the original leader. Using this method, the lionesses will always end up with the healthier and stronger male lions.After mating, lionesses do not conceive until 3 months after.

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