Absorbtion
stomach
Digestion occurs in the mouth, stomach and small intestine.
Mechanical digestion in humans is completed in the stomach.
It starts in your mouth then moves down in your stomach work is done in your stomach it moves to your intestine and is completed in your intestine
pepsin
Small and Large intestines
increased surface area which allows for more efficient digestion
It ends at the small intestine. From the small intestines, the digested food enters the bloodstream through the intestinal walls, while the undigested food goes into the large intestine and comes out of our body as faeces.
the digestion of proteins begin in the stomach.
In the Mouth then the second is the Stomach
It's a form of physical digestion, I assume its the substance inside your stomach, i.e liquid in the central region.
Mechanical digestion is primarily completed in the stomach. Here, food is mixed with gastric juices and churned into a semi-liquid substance called chyme. This process further breaks down food particles, facilitating better enzymatic action in the subsequent stages of digestion in the small intestine.