Researchers have discovered microplastics and nanoplastics in the human brain, reproductive organs, and other vital systems.

The morphology and regeneration of the digestive system of the ophiuroid Amphipholis kochii were investigated. The epithelia of the esophagus and stomach of A. kochii were composed of typical ...

The small and large intestines are a vital part of the human digestive system. The length of the small intestine is roughly 9–16 feet (ft), while the large intestine is shorter, measuring around 5 ft ...

The human body is made up of many amazing parts and systems that all work together to keep us healthy. One of the key components of both the respiratory system and the digestive system is the pharynx, ...

The digestive and reproductive systems of Pseudomeloe miniaceomaculata (Blanchard) has been described. On the basis of such internal anatomical features as V-shaped folds in the stomodaeal intima, ...

The tough little egg made it all the way through the digestive system of a coscoroba swan like this one. TonyBaggett / iStock Killifish eggs are known for their resilience: They’ve been found thriving ...