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

From frogs and sponges to jellyfish and tardigrades, scientists reveal how some animals digest food without defecating, ...

Defecation is commonly treated as a universal feature of animal life, a visible outcome of digestion and metabolic turnover.

The gastrointestinal system comprises a plethora of different cell types that develop, interact, specialize and function in a complex, tightly regulated process and, in many cases, show remarkable ...

Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

Chemical digestion is one of the six main functions of your digestive system. This system consists of your digestive or gastrointestinal tract and accessory organs. During chemical digestion, your ...