Human Body Topics
How Many Human Genes are There in The Human Genome? Got a hunch about how many genes are contained in the human genome? Well, if you are passing by the Cold Spring Harbor Laboratory, in New York, you may want to drop by and place a bet. Genome scientists did just that at the Genome [...]
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How much does the weather affect our mood? Can the weather affect our mood? This has always been an intriguing subject. It has been studied by scientists and sociologists. One would think so, just to make an educated guess, especially if it has happened to you. Like when the days are extremely hot, and you [...]
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How Many Neurons Are There In The Human Brain? One of the most remarkable aspects of the adult nervous system is the human brain. The human brain controls memory, vision, learning, thought, consciousness and other activities. By means of electrochemical impulses the brain directly controls conscious or voluntary behavior. It also monitors, through feedback circuitry, [...]
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How Many Hairs Does The Average Person Have on Their Head? On the average there are over one hundred thousand strands of hair on a young adult. Blondes average about 140,000 strands, brunettes average 108,000 and redheads average 90,000. Hair grows at a rate of about 150mm a year and each individual hair lasts for [...]
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How many races of humans are there? Technically, any Biologist will tell you there is only one: Homo sapien. Among populations and nationalities, there are many variations of human skin colors, hair textures and colors, nose shapes, heights, and more characteristics; but there is no fixed DNA difference that does not average out if cross-bred. [...]
How Many Types of Cancer are There? In all, there are around 200 different types of cancer that can affect the human body. A large percentage of people will be affected by some form of cancer or other in their lifetime. Some types of cancer are more serious than others. Some can be treated more [...]
How Many Muscles are There in the Human Body? about 640 in total. There is no exact count of the number of muscles in the body largely because expert opinions are conflicted regarding what constitutes a distinct muscle. Therefore, some experts will suggest 639 total muscles while others may suggest there are more. Muscles are [...]
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How Many Hair do We Lose Each Day? Everyone loses between 40 & 120 strands a day, depending on how much hair you have, your age & your hair’s growth cycle. People with fine hair tend to have more of it & therefore will lose more of it than their thicker-haired sisters & brothers. Your [...]
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