PHI - protected health Information.
The answer is: A. Duodenum
Whenever food is transferred into our small intestine, the food would passed through This small segment called duodenum. This part play an extremely crucial role in digestion because most of chemical digestion so the food is ready for absorption happen in this part of our body.
You're reducing fat in your body and increasing blood flow its easier on your heart when you do.
Because you can get really injured if ur not flexible enough sad but true