Organs often have fluid-filled spaces called lumens, which are crucial for organ function and serve as transport and delivery ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

You have digestive problems. Is it bloating? Indigestion? Or the discomfort of gas? However, no matter what it is, even the ...