How many muscles are there in the human body?

639.

Even though several books present an absolute number of muscles in the human body, there is no definite answer to this question, due to the existence of different criteria for muscle definition. Be that as it may, a considerable number of authors state there are between 630 to 640 body muscles ‘“ e.g., Dr. J. P. Sharma, in his book “Comprehensive Biology XII”, mentions there are 639 body muscles.