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According to the Library of Congress, the human body has at least 650 skeletal muscles and as many as 840 depending on what counts as a muscle. Some sources count complex muscles as a single muscle, while others count complex muscles' individual parts as separate muscles, which leads to dissent.


There are approximately 20 muscles in the human hand, though another 15 or so muscles in the forearm are needed to make the hand move properly. The muscles that attach in the forearm are called extrinsic muscles, while those that attach in the hand are intrinsic muscles. Along with bones, tendons an


There are 42 muscles in the human face. Scientists believe that with those 42 muscles, humans can only make four recognizable facial expressions.


The smallest muscle in the human body is the stapedius muscle. It is located in the middle ear, and it only measures about 1 millimeter, or 1/26 of an inch, in size.


According to About.com, water makes up between 65 and 90 percent of all cells in the human body. The remaining elements by mass include oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, potassium, sulfur, chlorine, sodium, magnesium and trace amounts of iron, cobalt, copper, zinc, iodine, sel


There are nearly 700 skeletal muscles in the human body. The precise number varies because not all scientists agree about what constitutes a separate countable muscle and what is considered to be part of a larger muscle.


Build muscle mass through exercise, drinking plenty of water and increasing a protein-based caloric intake, according to Muscle and Fitness magazine. Increase caloric intake between 300 and 500 calories divided into six meals daily.


The major muscle groups in the body are the abdominal muscles, biceps, deltoids, erector spinae, gastrocnemius, soleus, gluteus, hamstrings, latissimus dorsi, rhomboids, obliques, pectoralis, quadriceps, trapezius and triceps. Each muscle group contributes to a variety of different functions, such a


Exclusive of the shoulder muscles, the human arm has 23 muscles or teamed muscle groups. These are loosely grouped according to their position in the arm – upper or lower, anterior or posterior – and by their function.


According to Inner Body, there are approximately 700 muscles in both the male and female body. The 700 named muscles make up approximately half of a person's total body weight. All of the muscles belong to one of the three distinct types: visceral, cardiac and skeletal.