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.
Thousands of heart surgeries are performed every day in the United States. In fact, in a recent year, surgeons performed 500,000 coronary bypass procedures. And even though there is a shortage of donor organs, more than 2,300 people have heart transplants each year. Two major advances in medicine made heart surgery possible: The heart-lung machine, which takes over the work of the heart.