I’m pretty sure it’s the first option, if not I am so sorry.
Answer:
A. Supine is lying on the back; prone is lying with the back facing up
Have a good day!
Nose, mouth, pancreas, kidney, tell me if i missed some
It is regulated by peristaltic movements. Then the pyloric sphincter will act as a valve at the junction between the stomach and duodenum, controlling the flow of chyme into the small intestine.