Stomach Stomach The stomach (from ancient Greek στόμαχος, "stomachos," "stoma" means mouth) is a muscular, hollow organ in the gastrointestinal tract of humans and many other animals, including several invertebrates. The stomach has a dilated structure and functions as a vital digestive organ. In the digestive system the stomach is involved in the second phase of digestion, following mastication (chewing). In humans and many other animals, the stomach is located between the oesophagus and the small intestine. It secretes digestive enzymes and gastric acid to aid in food digestion. The pyloric sphincter controls the passage of partially digested food (chyme) from
Coin in the fish's mouth symbolic act or sign, but there is little agreement concerning what it signifies. The Bible does not specify the species of the fish caught by Peter, but tilapia is sometimes referred to as "St. Peter's fish". Coin in the fish's mouth The coin in the fish's mouth is one of the miracles of Jesus, recounted in the Gospel of . In the Gospel account, in Capernaum the collectors of the two-drachma temple tax ask Peter whether Jesus pays the tax, and he replies that he does. When Peter returns to where they are staying, Jesus speaks of the matter, asking