What functions do the muscular system perform in an organism?

How many teaspoons of salt should people limit themselves to on a daily basis according to the american heart association? What causes the beating of you heart? What counts as a preexisting condition for a hysterectomy? Are bald people ugly? My period was a week late i took a prgnancy test came out positive theni started my period wich was shorter than normal then took 3 more test 3 weeks later when did i actually become pregnant? What does the autonomic nervous system not control? Which orientation is uniquely prominent in the profession of counseling? What is the causes of hypoacidity? What blood vessels remove waste? Circular muscles that close a tube when they contract? Why are herpes and HPV more dangerous than other STDs? What if you hit your head an that spot is numb now? What causes gray urine in adults? Which list includes several warning signs for clinical depression? After months with birth control nexplanon not getting my menstrual period is it normal? What body cavity is the liver found in? What happens to the purified blood after it is filter? What allows blood to enter the right atrium? How does temperature effect diffusion? What is the medical term for everyday headaches?