Muscles
your brain controles the movement of all the muscles in your body.you are in consius control of some of them . thease are called volntry muscles and they move when you diced that they will. outher muscles work without constructions comands from you thay are called involuntaiy muscles and thay cron troll parts of your boady such as your heart muscles weigh half the amount as your body. The tendon is what holds the muscles in place.The fiber is what holds the muscles in place lick a magnetic tissue.Did you know that the strongest muscles in your body is the tounge well now you do.Did you know it takes 17 muscles to smile and 43 muscles to frown.
constructions
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