What are the functions of following organs in digestive process mouth esophagus stomach small intestine large and rectum?

Mouth

* Mechanical digestion: Teeth break down food into smaller pieces, increasing the surface area for enzymes to work.

* Chemical digestion: Saliva contains amylase, an enzyme that begins to break down carbohydrates.

Esophagus

* Transports food from the mouth to the stomach.

* Peristalsis: a series of involuntary muscle contractions that push food down the esophagus.

Stomach

* Mechanical digestion: The stomach muscles churn and mix food with gastric juices, further breaking it down.

* Chemical digestion: Gastric juices contain hydrochloric acid, which kills bacteria, and pepsin, an enzyme that begins to break down proteins.

Small intestine

* Mechanical digestion: The small intestine continues to mix and churn food, breaking it down even further.

* Chemical digestion: The small intestine produces enzymes that break down carbohydrates, proteins, and fats.

* Absorption: The small intestine absorbs nutrients from food into the bloodstream.

Large intestine

* Absorption: The large intestine absorbs water, electrolytes, and some vitamins.

* Formation of feces: The large intestine stores waste products until they are eliminated through the rectum.

* Bacterial fermentation: Bacteria in the large intestine break down complex carbohydrates, producing gases such as methane and hydrogen sulfide.

Rectum

* Storage of feces until elimination.

* Defecation: The rectum contracts to expel feces from the body.