Protein digestion takes place between your mouth and your small intestine. All the cells of your body contain protein, and this protein is continually broken down and remodeled to meet your growth and maintenance needs.
If you need help, here is a hintâ¦ Each year, there are over 100,000 heart valve surgeries performed in the United States. For the answer, scroll down below the picture of a diseased mitral valve with calcified valve flaps.
Options for Heart Valve Replacement. The aortic valve and the mitral valve are the most commonly replaced valves. Pulmonary and tricuspid valve replacements are fairly uncommon in adults. The most common valve surgical procedure is aortic valve replacement for aortic stenosis, or narrowing of the aortic valve.