Confidence votes 406. Muscle contraction is regulated by calcium ions, which will change thin filament into an activated state by binding to troponin. The binding of calcium to the troponin changes it's shape so the myosin binding sites on the actin (thin filament) are exposed. bind to regulatory sites on troponin to remove contraction inhibition.
By Mayo Clinic Staff. A high uric acid level, or hyperuricemia, is an excess of uric acid in your blood. Uric acid is produced during the breakdown of purines, which are found in certain foods and are also formed by your body. Once produced, uric acid is carried in your blood and passes through your kidneys, where most of it is filtered out into the urine. About one in five people has a high uric acid level.
Hyper acidity â Symptoms and Causes of Hyperacidity Hyper acidity is also called Acid Dyspepsia, which is one of the most common problem. Hyperacidity is a medical condition in which the stomach secretes a lot of acids. It can be caused due to various medications, stressed lifestyle and spicy foods. Hyperacidity has various symptoms, which can include sudden stomach pain, vomiting, loss of appetite, flatulence and heartburn. Sometimes, the problem aggravates and lead to other complications such as chronic indigestion and gastric ulcers. The problem of hyperacidity affects more than 25% population of the US. Acidity Symptoms