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.
A Eric Olsen, Fitness, answered. The heart works tirelessly through a lifetime to pump blood throughout the body, and when it's working properly, it never misses a beat. The typical adult heart will beat about 31 million times in a year, or upward of two billion beats in a lifetime.