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.
1 You have had a heart valve replaced. 2  You have a congenital heart defect (a heart defect that you were born with). 3  You had rheumatic fever or rheumatic heart disease as a child, which scarred your heart valves. 4  You have hypertrophic cardiomyopathy (enlarged or thickened heart walls).