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There is no universally agreed definition of what a skeletal muscle is, so there are differences of opinion as to where one muscle ends and another begins, hence the variation in numbers. There are also several small skeletal muscles in the human body that may or may not be present in certain individuals due to genetic factors. For example the palmaris longus muscle is not present in approximately 14% of the population, and the peroneus quartus is a muscle rarely found in the human body.

There is also another kind of muscle called smooth muscle, which cannot be consciously controlled. It's near impossible to say how many smooth muscles there are in the body since they can vary in size greatly and are not exactly easy to count.

There are three types of muscles smooth, skeletal, and cardiac. The cardiac and smooth are involuntary meaning you do not have to think about them to work. Skeletal which as you can guess move your skeleton are voluntary meaning you have to think about moving them before they move.

Humans have between 650 and 850 muscles in their body. The range of numbers is due to debate over muscle classification. Some experts count 650 due to grouping related small muscles with the same origins. Other experts believe the number is as high as 850 because each individual movement the muscles create.


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โˆ™ 2017-09-26 17:51:55
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Q: How many muscles are there in the human body?
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