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Similarities of the Brains
It could be that dogs behave in similar ways to humans and share some of the same emotions because their brains have essentially the same structures. Not only do human and dog brains produce oxytocin, a hormone that encourages affection and bonding, but they also have similar neurological regions that produce like responses in both. A 2014 study published in Current Biology revealed that, through these voice-sensitive areas in their brains, humans and dogs process the voices of others and the emotions attached to them in the same way.

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All Five Senses
Humans and dogs share the same five senses of taste, touch, hearing, sight and smell. They both use those senses to experience the world however, dogs primarily rely on their senses of hearing and smell, using their other three senses as "backup." Humans, on the other hand, rely on vision as their primary sense, but in her article for Scientific American, science journalist Lena Groegner reveals that, most of the time, the senses team up and work together to affect the way humans perceive things.

Infections, Viruses and Parasites
Though you might enjoy sharing your life with your dog, you don't want to share a disease with him. Unfortunately, there are viruses, infections and parasites that dogs and humans can share and sometimes transmit to each other. These include streptococcus, staphylococcus, ringworm, rabies, leptospirosis and gastrointestinal infections such as salmonella. Additionally, because of the influenza virus's ability to mutate, it's even possible for your dog to catch the flu from you.

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How to Compare the Anatomy of a Dog & a Human
By Cate Burnette
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Humans and dogs are more alike than you may think
A comparison of dog and human anatomy must necessarily involve all of the body—humans and dogs share the same molecular and cellular structures, organs and systems, with major differences showing only in physiology and structure.

Identification
The gross anatomy of a dog and a human consists of a set of biological systems—the skeletal and integumentary, digestive, muscular, lymphatic and endocrine, cardiovascular, respiratory, nervous, urinary, male and female reproductive and urinary systems. Each system consists of organs, glands and blood vessels that work together in the animal's body to support particular functions. All mammals have the same biological systems in approximately the same places in differing bodies; varying sizes and shapes commonly being the only distinguishing features.

Function
The skeletal and integumentary systems include all the bones, skin, hair and nails of the mammal body. Protecting the organs and soft tissues from injury and disease is the primary function of both systems, while the skin and hair (or fur) insulates against heat loss.

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The digestive system is made up of the mouth, teeth, salivary glands, esophagus, stomach, gall bladder, large and small intestines, pancreas and liver. Food and nutrients are absorbed, disseminated and eventually, eliminated through the digestive system.

The cardiovascular system includes the heart and blood vessels and performs the job of pumping blood containing nutrients and oxygen throughout the entire body.

Hormones (chemical substances that cause other organs in the body to become active) are produced in the thyroid, parathyroid, adrenal and pancreatic glands of the endocrine system. The lymph nodes and vessels of the lymphatic system help to immunize the body against disease. This system also works with the heart and blood vessels to return accumulating body fluids into the blood stream.Funny dog video#Short videos,# Animal video
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